共 4 条
[3]
Academic versus industry patenting: An in-depth analysis of what determines patent value[J] . Elefthérios Sapsalis,Bruno van Pottelsberghe de la Potterie,Ran Navon.Research Policy . 2006 (10)
[4]
Patent citation analysis: A policy analysis tool[J] . M.M.S. Karki.World Patent Information . 1998 (4)