000 00311nam a2200121Ia 4500
008 221001s9999 xx 000 0 eng d
082 _a491.433 SIN(H)
100 _aSingh, Ram Adhar
245 0 _aKosh vigyan : Sidhant evam prayog
260 _aDelhi
_bDaksin bharat press
300 _a184p.
942 _2ddc
_cBK
999 _c35681
_d35681