000 00306nam a2200121Ia 4500
008 211106s9999||||xx |||||||||||||| ||und||
020 _a970-10-5875-5
040 _aUNEFA
100 _aChaiman, Al Ries
110 _a Trout, Jack
260 _cMc Graw-Hill Interamericana
300 _aAl Ries Chaiman
999 _a083155
_c2062
_d2062