000 00345pam a2200145 a 4500
020 _c
041 _aeng
082 _a500
_bDEV
100 _aDev Karna .
245 _aScienxes PARt II
_hTextual Documents
260 _aNew dehli :
_bRamesh Publishing house .
300 _a164 pg.
653 _aNatural sciences & mathematics
930 _a1760
999 _c78684
_d78684