00449nam a2200145Ia 4500008004100000082002400041100002600065245003500091260001900126300001000145650001800155942000700173952010600180999001700286140113s9999    xx            000 0 und d  a631.589.2(541.2) J5  a" Douglas, J. Sholto"  aHydroponics: The Bengal system  b"Oxford, 1955"  a145p.  a"Water, sand"  cBK  00104070aKYMbKYMd2014-01-13l0o631.589.2(541.2) J5pKBK474r2014-01-13 00:00:00w2014-01-13yBK  c64162d64162