000 00284nam a2200121Ia 4500
003 LDD
040 _cLDD
245 0 _aUniversity system and extension as the third dimension
260 _aNew Delhi
_bUGC
_c1985
300 _a200p
903 _bGifted by : kiron bansal
942 _2ddc
_cG
999 _c11230
_d11230