00377nam a2200109Ia 4500008004100000040003800041100002000079245009400099260004000193300001800233653001600251211228s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aRuddle, Kenneth 0aRenewable natural resources and the environmet: pressing problems in the developing world  bTycooly InternationalaDublinc1981  axiii, 396p p.  aEnvironment