00633nam a22001937a 450000500170000001000130001702000240003003500130005403700160006704000120008308200130009511000540010824500900016226000540025227000510030630000270035765000320038465000230041620170124110253.0 aB-168045 c1100.00a8186623833 aB-168045 bCen Lib/Ret aDPLbEN a631bPLA aDelhi. National Institute of Industrial Research  aPlant biotechnology hand book /cby Delhi. National Institute of Industrial Research  aDelhibNational Institute of Industrial Research  a106-E, Kamla Nagar, P.E.No.2162bDelhie110007 axiii,550p. c20cm(pbk) aOrganisms of biotechnology  aNitrogen fixation