00298 a2200109 4500020001500000082001600015100002100031245004100052260005800093300002000151650001700171 a818189166X a631.86bHAN aRai, M. K. eed. aHandbook of microbial biofertilizers aNew YorkbInternational book distributingc2006g2006 axxv,579p.c23cm aMicrobiology