00420nam a2200133Ia 4500008004100000082002000041100002300061245003400084260003300118300000800151942000700159952010300166999001700269140113s9999    xx            000 0 und d  a631(05)   L9.31  a"Brad, N.C., N.C."  aAdvances in Agronomy -Vol. 31  a1979bAcademic PresscLondon  a315  cBK  00104070aVTLbVTLd2014-01-13l0o631(05)   L9.31pVBK3875r2014-01-13 00:00:00w2014-01-13yBK  c60459d60459