E. H. Gehrig

发表

A. C. Peterson, M. G. Poland, M. W. Belsher, 1965 .

R. S. Gens, E. H. Gehrig, L. N. Stone, 1959, Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems.

Ralph S. Gens, E. H. Gehrig, Edward H. Gehrig, 1957, Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems.