By Schmitz-Scherzer R.   in Leisure Studies

ISSN:1466-4496|9|2|163-166

Routledge Ltd‎(1990)‎

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By Bittner S.   Scherzer R.   Harlev E.   in Amino Acids

ISSN:0939-4451|33|1|19-42

Springer Publishing Company ‎(2007)‎

Access to resources Favorite 8.48488