International Seed Testing Association text Zurich, Switzerland International Seed Testing Association 1994 39 p. ; 30 cm. Editor Anne Billow-Olsen SEED QUALITY ASSURANCE 631.531 INT q 241016 20241016033524 INLIS000000000000938 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)