00309nam a2200109Ia 450000500170000000800410001708200190005810000390007724500310011626000410014730000110018820260205052626.0260111s9999||||xx |||||||||||||| ||und||  a574.503  C917E  aCunningham,William P and others,ed 0aEnvironmental Encyclopedia  aMumbaibJaico Publishing Housec1999  a1196p.