000 00542cam a2200217ua 4500
001 6412
008 190510n2018 ii |||gr||||Z||||||eng
020 _a9788121908597
040 _aIN-GwRGU
041 _aeng
082 _a577
100 1 _aVerma,P S.,
_eAuthor.
245 0 0 _aEnvironmental Biology
_cby P S Verma & V K Agarwal
250 _a1st ed.
260 _aNew Delhi
_bS Chand
_c2018
300 _a591p.:
_c21 cm.
650 _aEcology
650 _aEnvironmental biology
700 1 _aAgarwal,V K.,1
_eAuthor.
942 _2ddc
_cBK
999 _c6255
_d6255