000 00302nam a22000857a 4500
008 230227s2000 fi ||||| |||| 00| 0 eng d
100 _aMännistö, Tomi
_9259731
245 _aA Conceptual Modelling Approach to Product Families and their Evolution /
_cTomi Männistö.
264 _aHelsinki :
_bEspoo,
_c2000.
999 _c654702
_d654700