00551nam a2200145Ia 4500008004100000082003000041100003000071245008400101260003600185300001000221650003700231942000700268952011300275999001700388140113s9999    xx            000 0 und d  a631.17(252):577.4(100) L7  a" Worthington, E. Barton"  aArid land irrigation in developing countries:Environmental problems and effects  b"London : Pergamon press, 1977"  a463p.  aIrrigation environmental aspects  cBK  00104070aKYMbKYMd2014-01-13l0o631.17(252):577.4(100) L7pKBK2133r2014-01-13 00:00:00w2014-01-13yBK  c63068d63068