00320nam a2200133Ia 4500008004100000041000800041082001500049100002200064245002400086250001400110260003100124300002600155365000500181240624s9999    xx            000 0 und d  aeng  a300.72 COH  aCOCHRAN WILLIAM G  aSAMPLING TECHNIQUES  a(3rd ed.)  c2002aNew YorkbJohn Wiley  axvi, : 428 : cm. ; 23  c