00349nam a2200109Ia 4500008004100000040003800041100001500079245005500094260004400149300001600193653003000209211228s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aJunker,B H 0aField work: an introduction to the social sciences  bChicago University PressaChicagoc1980  axv,207p. p.  aSocial science-Field work