000 00261nam a2200121Ia 4500
365 _b6
942 _cBK
654 _a
245 _aResearch abstracts
260 _aNew Delhi
_bAssociation of Indian Universities
_c1978
082 _a378.072
300 _bPb
_a48
999 _c377679
_d377679
041 _aeng