000 00300nam a2200121Ia 4500
008 230401s2000 xx 000 0 eng d
100 _aP.B. Rao
245 2 _aA Refresher Course in Practical
250 _aSECOND
260 _bKANISHKA PUBLISHER NEW DELHI
_c2000
300 _a284
942 _2ddc
_cPGDRP
999 _c2624
_d2624