000 00243nam a2200097Ic 4500
008 240520s9999 xx 000 0 und d
100 1 _aBlank, Albert
245 1 0 _aCalculus 1 /
_cAlbert Blank
264 1 _bHoughton Mifflin Co.
_c1968
942 _cBK
999 _c18844
_d18844