diff --git a/README.md b/README.md
index 4b0d9f8..b3c4173 100644
--- a/README.md
+++ b/README.md
@@ -43,9 +43,9 @@ Please note the separate licensing for Panphasia (see external/panphasia/LICENSE
 
 If you use MUSIC2-monofonIC in your scientific work, you are required to acknowledge this by linking to this repository and citing the relevant papers:
 
-- For total matter sims, or 3LPT/PLT related aspects: Michaux et al. 2020 (arXiv:TBD)
+- For total matter sims, or 3LPT/PLT related aspects: Michaux et al. 2020 [arXiv:2008.09588](https://arxiv.org/abs/2008.09588)
 
-- For baryon+CDM sims, or PPT numerics related aspects: Hahn et al. 2020 (arXiv:TBD)
+- For baryon+CDM sims, or PPT numerics related aspects: Hahn et al. 2020 [arXiv:2008.09124](https://arxiv.org/abs/2008.09124)
 
 
 ## Acknowledgments
diff --git a/example.conf b/example.conf
index 64e67d6..74d8900 100644
--- a/example.conf
+++ b/example.conf
@@ -38,11 +38,11 @@ nspec           = 0.961
 sigma_8         = 0.811
 
 ZeroRadiation   = false  # For Back-scaling only: set to true if your simulation code 
-                         # can deal with Omega_r!=0 in its background FLRW model
+                         # cannot deal with Omega_r!=0 in its background FLRW model
 
 ## Additional cosmological parameters (set by default to the given values)
-# w0              = -1.0
-# wa              = 0.0
+# w0              = -1.0  # not supported yet!
+# wa              = 0.0   # not supported yet!
 # Tcmb            = 2.7255
 # Neff            = 3.046
 
diff --git a/external/class b/external/class
index 6adecae..414e895 160000
--- a/external/class
+++ b/external/class
@@ -1 +1 @@
-Subproject commit 6adecae2f30172a94e003155090791abf509d995
+Subproject commit 414e89597d6eb93f713bad33c63aa62348f02e62
diff --git a/external/genericio.cmake b/external/genericio.cmake
index 505bcc0..e322790 100644
--- a/external/genericio.cmake
+++ b/external/genericio.cmake
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.11)
 include(FetchContent)
 FetchContent_Declare(
     genericio
-    GIT_REPOSITORY https://xgitlab.cels.anl.gov/mbuehlmann/genericio.git
+    GIT_REPOSITORY https://xgitlab.cels.anl.gov/hacc/genericio.git
     GIT_TAG master
 )
 
diff --git a/include/particle_plt.hh b/include/particle_plt.hh
index 0213c86..cb4946f 100644
--- a/include/particle_plt.hh
+++ b/include/particle_plt.hh
@@ -1,6 +1,6 @@
 // This file is part of monofonIC (MUSIC2)
 // A software package to generate ICs for cosmological simulations
-// Copyright (C) 2020 by Oliver Hahn
+// Copyright (C) 2020 by Oliver Hahn & Bruno Marcos (this file)
 // 
 // monofonIC is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -14,6 +14,11 @@
 // 
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+//
+// NOTE: part of this code, notably the translation into the first Brillouin 
+//       zone (FBZ), was adapted from Fortran code written by Bruno Marcos
+//
 #pragma once
 
 #include <general.hh>
diff --git a/src/main.cc b/src/main.cc
index 6272918..0c244dc 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -96,7 +96,7 @@ int main( int argc, char** argv )
                 << "  dP  dP  dP `88888P\' dP    dP `88888P\' dP     `88888P\' dP    dP dP  Y88888P\' \n" << std::endl;
 
     // git and versioning info:
-    music::ilog << "Version: v0.1a, git rev.: " << GIT_REV << ", tag: " << GIT_TAG << ", branch: " << GIT_BRANCH << std::endl;
+    music::ilog << "Version: git rev.: " << GIT_REV << ", tag: " << GIT_TAG << ", branch: " << GIT_BRANCH << std::endl;
     
     // Compilation CMake configuration, time etc info:
     music::ilog << "This " << CMAKE_BUILDTYPE_STR << " build was compiled at " << __TIME__ << " on " <<  __DATE__ << std::endl;
diff --git a/src/plugins/output_gadget_hdf5.cc b/src/plugins/output_gadget_hdf5.cc
index a63d34e..bce09d0 100644
--- a/src/plugins/output_gadget_hdf5.cc
+++ b/src/plugins/output_gadget_hdf5.cc
@@ -176,7 +176,7 @@ public:
     case cosmo_species::dm:
       return 1;
     case cosmo_species::baryon:
-      return 2;
+      return 0;
     case cosmo_species::neutrino:
       return 3;
     }
diff --git a/version.cmake b/version.cmake
index 5162ec7..07b4e4f 100644
--- a/version.cmake
+++ b/version.cmake
@@ -19,7 +19,7 @@ else()
         COMMAND bash -c "git diff --quiet --exit-code || echo +"
         OUTPUT_VARIABLE GIT_DIFF)
     execute_process(
-        COMMAND git describe --exact-match --tags
+        COMMAND git describe #--exact-match --tags
         OUTPUT_VARIABLE GIT_TAG ERROR_QUIET)
     execute_process(
         COMMAND git rev-parse --abbrev-ref HEAD
@@ -48,4 +48,4 @@ endif()
 
 if (NOT "${VERSION}" STREQUAL "${VERSION_}")
     file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/version.cc "${VERSION}")
-endif()
\ No newline at end of file
+endif()