TY - JOUR
AU - 
TI - Scientific Social Surveys and Research.
JF - Journal of the American Statistical Association
DO - 10.2307/2279821
DA - 1939-12-01
UR - https://www.deepdyve.com/lp/crossref/scientific-social-surveys-and-research-B6a7jDURO5
SP - 752
VL - 34
IS - 208
DP - DeepDyve
ER -