TY - JOUR T1 - Age-based vs. stock level control policies for a perishable inventory system A1 - Tekin, E. A1 - Gurler, U. A1 - Berk, E. JA - European J Operational Research Y1 - 2001 VL - 134 SP - 309 EP - 329 N1 - upd vol/pg 10-01-02 ER -