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Trends in the twinning rate in Johannesburg, South Africa, 1969–1989 and estimated twinning rates for 1990
Hain, Frances M, Kromberg, Jennifer GRVolume:
1
Language:
english
Journal:
Twin Research
DOI:
10.1375/twin.1.2.57
Date:
April, 1998
File:
PDF, 142 KB
english, 1998