Analog Simulation: Solution of Field Problems (New York et al.: McGraw-Hill Book Co., 1958), by Walter J. Karplus (page images at HathiTrust)
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http://catalog.hathitrust.org/Record/000425646
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Analog Simulation: Solution of Field Problems (New York et al.: McGraw-Hill Book Co., 1958), by Walter J. Karplus (page images at HathiTrust)
New Online Books
http://catalog.hathitrust.org/Record/000425646