000 00393cam a22001337a 4500
008 180718b1968 xxu||||| |||| 00| 0 eng d
082 _aT25 Am35c
100 _aWallenstein, Gerd D.
245 _aConcept and practice of product planning
_cby Gerd D. Wallenstein
260 _aN.Y.
_bAMA
_c1968
300 _a127p.
650 _aIndustrail Management
700 _aAmerican Management Association
999 _c357533
_d357533