R. Sievogel

Genetic contributions to morphological and behavioral similarities among sibs and dizygotic twins: linkages and allelic differences.

R. Elston, A. Pakstis, S. Scarr-Salapatek, 1972, Social biology.

Grading body fatness from limited anthropometric data.

A. Roche, W. Chumlea, P. Webb, 1981, The American journal of clinical nutrition.