000 00264nam a2200121Ia 4500
008 220201s1997 xx 000 0 eng d
041 _aENG
100 _aBIS
245 0 _aIS: 650-1991
260 _aNEW DELHI
_bBIS PUBLICATION
_c1997
300 _a3
942 _2ddc
999 _c63064
_d63064