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References from Consequences of the decrease in volunteers among German sports clubs: is there a substitute for voluntary work?. Local targets link to admitted publications; unresolved targets remain external evidence.
Unresolved reference
1997 · External reference
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1981 · External reference
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2003 · External reference
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2007 · External reference
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2009 · External reference
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2009 · External reference
Unresolved reference
2010 · External reference
Unresolved reference
2001 · External reference
10.1177/0899764096253006
10.1177/0899764096253006 · External reference
10.1017/cbo9781139174312
10.1017/cbo9781139174312 · External reference
Unresolved reference
1995 · External reference
10.1080/16184740408737469
10.1080/16184740408737469 · External reference
Unresolved reference
2005 · External reference
Unresolved reference
2005 · External reference
10.4324/9780080942087
10.4324/9780080942087 · 2009 · External reference
Unresolved reference
1998 · External reference
Unresolved reference
2005 · External reference
Unresolved reference
1992 · External reference
10.1007/bf02353987
10.1007/bf02353987 · External reference
Unresolved reference
2008 · External reference
Unresolved reference
2007 · External reference
10.1123/jsm.23.4.457
10.1123/jsm.23.4.457 · External reference
Unresolved reference
1999 · External reference
10.1080/13606710600893684
10.1080/13606710600893684 · External reference
10.1007/s11266-005-3231-0
10.1007/s11266-005-3231-0 · External reference
Unresolved reference
1978 · External reference
Unresolved reference
2000 · External reference
Unresolved reference
2010 · External reference
Unresolved reference
2003 · External reference
Unresolved reference
2009 · External reference
10.1177/101269029102600202
10.1177/101269029102600202 · External reference
10.1016/0167-4870(91)90044-t
10.1016/0167-4870(91)90044-t · External reference
Unresolved reference
1986 · External reference
10.1016/j.smr.2010.09.001
10.1016/j.smr.2010.09.001 · External reference
