00466nam a2200145Ia 4500008004100000082002200041100002800063245003200091260003600123300001000159650002200169942000700191952010500198999001700303140113s9999    xx            000 0 und d  a631.002:631.95 L9  a" Dahlberg, Kenneth A."  aBeyond the green revolution  b"New york : Plenum press, 1979"  a256p.  aGreen revoluation  cBK  00104070aKYMbKYMd2014-01-13l0o631.002:631.95 L9pKBK2418r2014-01-13 00:00:00w2014-01-13yBK  c63299d63299