00383nam a2200133Ia 4500003000400000008004100004020002700045040000800072100001900080245008000099260004400179300001400223365001200237LDD181029s9999    xx            000 0 und d  a9780195129922cP 25.00  cLDD  aHeiner, Robert 0aSocial problemsbAn introduction to critical constructionismcRobert Heiner  aNew YorkbOxford University Pressc2002  aix, 205p.  bP 25.00