| 1.
図書 |
図書
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sponsored by ASTM Committee F-27 on Snow Skiing and the International Society for Skiing Safety, Naeba, Japan, 22-27 April 1985 ; C.D. Mote, Jr., and Robert J. Johnson, editors
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| 2.
図書 |
図書
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sponsored by ASTM Committee F-27 on Snow Skiing and by the International Society for Skiing Safety, Keystone, CO, 1-6 May 1983 ; Robert J. Johnson and C. Daniel Mote, Jr., editors
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| 3.
図書 |
図書
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editors, Robert J. Johnson, Jasper E. Shealy and Richard M. Greenwald
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| 4.
図書 |
図書
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Robert J. Johnson, Jasper E. Shealy, Richard M. Greenwald, Irving S. Scher
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| 5.
図書 |
図書
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Robert J. Johnson, Jasper E. Shealy, and M. Georg Ahlbäumer, editors
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| 6.
図書 |
図書
|
JAI guest editors, Robert J. Johnson, Jasper E. Shealy, Viet Senner
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| 7.
図書 |
図書
|
Robert J. Johnson, J. E. Shealy, and T. Yamagishi, editors
|
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| 8.
図書 |
図書
|
Robert J. Johnson, Jasper E. Shealy, and Michael Langran, editors
|
