00456nam a2200133Ia 4500001001100000005001700011008004100028050001400069245007200083260007300155300003000228504004200258650002200300000000634420251012174451.0  710915s1971    miua     bs   000 0 eng00aHC28b.L310aEconomic 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.