00327    a2200133   4500020001500000082001300015100001900028245003800047260004100085300002100126650001200147650001200159700002200171  a8188826073  a577bPUR  aPurohit, S. S.  aEcology and environmental biology  aJodhpurbStudent Editionc2004g2004  a[ix],644p.c24cm  aEcology  aBiology  aAgrawal, Ashok K.