Surface Consolidation of Model Stone Samples with Carbonated Hydroxyapatite oleh Lorena Iancu, Rodica-Mariana Ion, Ramona Marina Grigorescu, Paul Niculae Ghioca, Madalina Elena David, Ramona Elena Andrei, George Ionut Radu, Mircea Ioan Filipescu, Raluca Ioana Suica-Bunghez, Cristian Andi Nicolae, Raluca Somoghi, Bogdan Trica, Sofia Teodorescu