000 00355nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aWalker, Joseph A
245 _aHow the options markets work
260 _c1991
_bNew York Inst. of Fnance
_aNew York
366 _b1991
650 _aMarketing
942 _cBK
999 _c79789
_d79789