000 00294nam a22001097a 4500
008 131223b xxu||||| |||| 00| 0 eng d
020 _a8170353122
050 _a577.6
100 _aArvind Kumar
245 _aAquatic environment and toxicology
260 _aNew Delhi
_bDaya publishing house
_c2003
999 _c328365
_d328365