TY - BOOK AU - Nover, Lutz, ed. AU - Mothes, Kurt, ed. TI - Cell differentiation in micro organisms, plants and animals : International Symposium held by the Deutsche Akademic der Naturforscher Leopoldina at th Reinhardsbrunn Castle, Thuringia (GDR) April 11 - 16, 1976 SN - 072047141 PY - 1977/// CY - Amsterdam PB - North-Holland Publishing ER -