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George Scithers published AMRA, a leading sword and sorcery fanzine, beginning in 1959. The term "swords and sorcery" first appeared there, and AMRA became a leading proponent of the subgenre. Several of the articles originally published in AMRA were later re-printed as part of two volumes about Conan the Barbarian, which Scithers co-edited with L. Sprague de Camp. Contributors to the magazine included all the leading fantasists of the day. This issue includes contributions from: Poul Anderson, Lin Carter, L. Sprague de Camp, and Larry Kafka.
The vibrational characteristics and mechanical properties of shell structures are discussed. The subjects presented are: (1) fundamental equations of thin shell theory, (2) characteristics of thin circular cylindrical shells, (3) complicating effects in circular cylindrical shells, (4) noncircular cylindrical shell properties, (5) characteristics of spherical shells, and (6) solution of three-dimensional equations of motion for cylinders.
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