00510nam a2200157Ia 4500001001100000005001700011008004100028050001400069090001500083245007200098260007300170300003000243504004200273650002200315999001500337000000634420251012174451.0  710915s1971    miua     bs   000 0 eng00aHC28b.L300a330/.072/310aEconomic survey methodsc[by] John B. Lansing and James N. Morgan.   a[Ann Arbor,bSurvey Research Center, University of Michigan]c1971.   axii, 430 pbillusc23 cm.  aIncludes bibliographical references.  0aEconomic surveys.  c4113d4113