8Robert A. Burgelman, Modesto A. Maidique, and Steven C. Wheelwright, Strategic Management of Technology and I nnovation,机械工业出版社英文影印版1998年,第62页,第39～41页,第60～61页.
9Horstman,I.,and J.R.Markusen (1992):"Endogenous Market Structures in International Trade",Journal of International Economics,20,pp.225-247.
10Kokko,A.(1994):Technology,market,characteristics and spillover,Journal of evelopment Economics,43,279-293.
