000 00247nam a2200109Ia 4500
008 160710s1980 xx 000 0 und d
100 _aKAPUR AND SINGAL
245 _aMATRICES
260 _bR.CHAND AND CO.
_c1980
300 _a308
942 _2ddc
_cB
999 _c43885
_d43885