TY - BOOK AU - Randall,Taylor Reed TI - Product variety, supply chain structure, and firm performance: analysis of the bicycle industry U1 - 629.227 PY - 1999/// CY - Pennsylvania PB - University of Pennsylvania KW - Bicicletas KW - Investigación operacional N1 - Tesis (Doctor de Filosofía) -- University of Pennsylvania; Incluye bibliografía ER -