00443nam a2200133Ia 4500008004100000082002600041100002000067245004400087260003700131300000800168942000700176952010900183999001700292140113s9999    xx            000 0 und d  a631.589.2(541.2)   L0  a"Douglas, J.S."  aHydroponics -4th edition -Bengal System  a1972bOxford Univ. PresscBombay  a167  cBK  00104070aVTLbVTLd2014-01-13l0o631.589.2(541.2)   L0pVBK1408r2014-01-13 00:00:00w2014-01-13yBK  c58087d58087