000 00310nam a2200133Ia 4500
008 150518s1997||||xx |||||||||||||| ||und||
020 _a8170298873
082 _a1.64076
245 _aQuanbook 'o' level
250 _a-
260 _anew Delhi
_b BPB Publications
_c1997
300 _alxi, 444 p.
942 _cBK
999 _c18711
_d18711