共 10 条
[5]
理论经济地理学[M]. 科学出版社 , 王铮等著, 2002
[7]
International R&D spillovers[J] . David T. Coe,Elhanan Helpman.European Economic Review . 1995 (5)
[9]
A New Product Growth for Model Consumer Durables[J] . Frank M. Bass.Management Science . 1969 (5)
[10]
A Geochronological Study of the Crystalline Rocks of Charnwood Forest, England[J] . M. Y. Meneisy,J. A. Miller.Geological Magazine . 1963 (6)