1. Top Management's Stake in a Product's Life Cycle;Patton,1959
2. Product Policy and Strategy;Luck,1972
3. Dynamic Competitive Strategy and Product Life Cycles;Wasson,1974
4. Exploit the Product Life Cycle;Levitt;Harvard Business Review,1965
5. A Test of the Product Life Cycle as a Model of Sales Behavior;Polli;Market Science Institute Working Paper,1967