000 00285nam a2200109Ia 4500
008 230724s2009 xx und d
041 _aeng
100 _aSIMONS HELEN
245 _aCASE STUDY RESEARCH IN PRACTICE.
260 _bSAGE PUBLISHING INC.,AMERICA,U.K
_c2009
300 _a189
999 _c1177322
_d1177322