000 00323nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _a"Mahadevan S, Zafar Futihally,Lahiry"
245 0 _aBiology-Class Xi
260 _bNational Council Of Educational Research
_c1989
300 _a391p
650 _aBiology
942 _cREF
999 _c36113
_d36113