1. The Purchasing Executive's Adaptation to the Product Life Cycle;Berenson;J. Purchas. Materials Manage.,1967
2. The Product Life Cycle in Formulating Purchasing Strategy;Rink;Indust. Market. Manage.,1976
3. An Executive's Guide to Forecasting;Chambers,1974
4. The Product Life Cycle: A Key to Strategic Marketing Planning;Smallwood;MSU Business Topics,1973