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Kenton W. Peterson, Robert C. Shearman, Roch E. Gaussoin, Garald L. Horst, and Walter H. Schac
Pág. 293 - 298
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Golet, Walter J., Andrew B. Cooper, Robert Campbell, and Molly Lutcavage
Pág. 390 - 395
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Helmut Hentrich, Hubert Petschnigg, Fritz Eller, Enrich Moser, Robert Walter
Pág. 3 - 10
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