00337nam a2200121 a 450000500170000002000150001708200160003210000160004824500610006426000520012530000210017770000170019820251203110547.0  a8170871505  a632.52bABB  aAbbasi, S.A  aWorld's worst weed(SALVINIA)- its impact and utilization  aDehradunbInternational Book Distributorsc1993  ax,224p.c20cm HB  aNipaney. P.C