000 00337nam a2200133Ia 4500
008 220901s1991 xx 000 0 eng d
082 _aRR 050 hQ8
100 _aKrishan Kumar
245 _aLibrary manual
250 _a4th ed.
260 _aNew Delhi
_bVikas Publishing House
_c1991
650 _aLibrary manual
_91088
942 _2ddc
_cBK
999 _c12616
_d12616