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pro vyhledávání: '"Ruch, Walter E"'
Autor:
Bryant, Charles J, Cole, Henry P, Umberger, Gloria H, Kwak, Eunsoon, Ruch, Walter E, Colligan, Michael J
Publikováno v:
Scandinavian Journal of Work, Environment & Health, 1992 Jan 01. 18, 66-68.
Externí odkaz:
https://www.jstor.org/stable/40966075
Autor:
Ruch, Walter E.
Publikováno v:
Journal of Occupational Medicine; Nov1969, Vol. 11 Issue 11, p591-591, 1p