000 00296nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a020 A266
100 _aAGGARWAL,D.S
245 0 _aLECTURES ON UNIVERSE OF KNOWLEDGE
260 _aDELHI
_bACADEMIC
_c1985
300 _a25X16
942 _cBK
_2DDC
999 _c19527
_d19527