00530nam a2200121Ia 4500008004100000082001900041100001500060245009800075260003300173365000600206630009800212730009800310100415s9999    xx            000 0 und d  b18111a595.789  aPollard  E  aMonitoring Butterflies for Ecology and Conservation : The British Butterfly Monitoring Scheme  aLONDONc1993bCHAPMAN & HALL  b0  aMonitoring Butterflies for Ecology and Conservation : The British Butterfly Monitoring Scheme  aMonitoring Butterflies for Ecology and Conservation : The British Butterfly Monitoring Scheme