000 00435nam a2200157Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
020 _a29253608
040 _cLDD
100 _aMICHAEL, E. Porter
245 0 _aCompetitive strategy
_btechniques for analysing industries and competititors
_cE. Porter MICHAEL
260 _aNY
_bThe Free Press
_c1980
300 _axx,396
901 _a314
_b12-03-1996
942 _2ddc
_cBK
999 _c40468
_d40468