00396nam a2200133Ia 4500003000400000008004100004020001600045040000800061100002300069245010400092260004700196300001400243365000500257LDD181029s9999    xx            000 0 und d  a521849993c  cLDD  aSawchauk, Peter H. 0aCritical perspectives on activitybExploration Across Education, Work, and EverycPeter H. Sawchauk  aNew YorkbCambridge University Pressc2006  axv, 295p.  b