RT Journal Article T1 A simple model of patent races A1 Ferreira, José Luis PB Sumy State University and Publishing Company "Business Perspectives" SN 1810-5467 YR 2005 FD 2005 LK http://hdl.handle.net/10016/5150 UL http://hdl.handle.net/10016/5150 LA eng DS e-Archivo RD 30 abr. 2024