TY  - RPRT
TI  - DEMOGRAPHIC VARIABILITY AND PREFERENTIAL MARRIAGE PATTERNS.
AU  - P Kunstadter
AU  - R Buhler
AU  - F F Stephan
AU  - C F Westoff
PY  - 1963
DO  - 10.1002/ajpa.1330210408
UR  - https://pubmed.ncbi.nlm.nih.gov/14185529/
ID  - 14185529
ER  -