000 00431nam a2200181Ia 4500
003 NDCL
008 180829s9999||||ii |||||||||||||| ||eng||
020 _a3263
040 _aNDCL
041 _aEnglish
082 _a591.5 VPS
_216th ed
100 _aAgarwal,V.K.
100 _aVerma, P.S
245 0 _aPrincipel of ecology
_cP.S Verma
260 _c1989
_bHindustan publishing corporation
650 _aZoology
942 _2DDC
_cBK
999 _c9075
_d9075