00313nam a2200097Ia 4500008004100000082004800041100003400089245005600123260002800179300000800207140113s9999    xx            000 0 und d  a"631.522/524:633""1978.7.3/7""(082.2)   L9"  a"Zeveri, A.C. & Harten, A.M."  aProceedings of broadening the genetic base of crops  a1979bPUDOCcWageningen  a347