D. Geffen

发表

Electrostatic Propulsion

J. M. Sellen, C. D. Hendricks, J. C. Lair, 1960, Proceedings of the IRE.

Heinz Capitalism: How Many Varieties Are There? An Empirical Reexamination of Coordination Mechanisms in Advanced Market Economies

T. Kenyon, D. Geffen, 2006 .