text Frankfurt Verlag D.R. Waldemar Kramer 1947 Ind 29 p.: ill.; 17 cm. 29 p.: ill.; 17 cm. MERTENS, R. EVOLUTION GENTICS 576.4 575.4MERt INLIS000000000009289 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)