TY - JOUR
AU - 
TI - The Empirical Classification of Formal Groups
JF - American Sociological Review
DO - 10.2307/2090351
DA - 1963-06-01
UR - https://www.deepdyve.com/lp/crossref/the-empirical-classification-of-formal-groups-TbAIXJJlzB
SP - 399
VL - 28
IS - 3
DP - DeepDyve
ER -