https://hsrc.himmelfarb.gwu.edu/smhs_psych_facpubs/781/
"Genetic and environmental components of adolescent adjustment and pare" by J.C. Loehlin, J.M....
By J.C. Loehlin, J.M. Neiderhiser, and D. Reiss, Published on 01/01/05
https://sites.nd.edu/shakespeare/tag/james-loehlin/
James Loehlin | Shakespeare at Notre Dame
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