000 00277 a2200097 4500
008 180731b xxu||||| |||| 00| .
245 _aDirwctoryof R &D onstitutions nov.1999
260 _aNew Dehli
_bGovt. of India Dep.of Science & Technology
_c1991
300 _a534,p
942 _2ddc
_cBK
999 _c6760
_d6760