00542nam a2200193Ia 4500008004100000020001500041082001700056100001700073245006800090260003200158300000800190650002300198650001800221653001800239653002400257653002800281700002100309700001800330170901s1997    xx            000 0 und d  a0851991424  a581.15bC12B  aCallow, J.A. 0aBiotechnology and Plant Genetic ResourcesbConservation and Use  aUKbCAB Internationalc1997  a308  aBotanical sciences  aPure Sciences  aBiotechnology  aGenetic engineering  aPlant genetic resources  aFord-Lloyd, B.V.  aNewbury, H.J.