00379nam a2200121Ia 4500008004100000082001500041100002100056245005100077260004300128300001000171630001800181650005800199211109s9999||||xx |||||||||||||| ||und||  a510bHAN-S  aHansen, Morris H 0aSample Survey Methods And Theory Vol Ii Theory  bChapman & Hall LimitedaNew Yorkc1953  a332p.  xGeneral Stack  aNATURAL SCIENCES& MATHEMATICSvMATHEMATICSxGeneralia