00270nam a2200109Ia 4500008004100000020001800041082001400059100002000073245003200093260000900125500002600134260604s9999    xx            000 0 und d  a9781529769005  a001.4 SIL  aDavid silverman 0aDoing Qualitative Research.  bSAGE  aQualitative, Research