00410nam a2200145Ia 4500008004100000082001800041100002300059245003500082250000600117260004200123300000800165650004100173650003400214653001600248170901s1959    xx            000 0 und d  a631.585bD66H  aDouglas. J. Sholto 0aHydroponicsbThe Bengal System  a3  aLondonbOxford University Pressc1959  a143  aAgriculture and related technologies  aTechnology (Applied sciences)  aHydroponics