000 00252nam a2200109Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aSharma P D
245 0 _aElements Of Ecology
260 _b"Avadh Prakashan , Agra"
650 _aBotany
942 _cBK
999 _c1337
_d1337