=LDR  00000nam a2200000ui 4500
=001  4492
=008  250530s1972\\\\xx\|||||||||||||||||eng\d
=082  04$a363.73 YAP
=100  1\$aYapp, W. B.
=245  10$aProduction, Pollution, Protection
=260  \\$aLondon :$bWykeham Publications,$c1972
=852  \\$bFreeman Library$cBooks$h363.73 YAP