SIRKS, M.J. text 's-Gravenhage Martinus Nijhoff 1948 Vierde druk dut x, 640 p. : ill. ; 24 cm. M.J. Sirks BIOTECHNOLOGY 601 601 SIR h 231110 20231110011103 INLIS000000000002115 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)