https://catalogue-scientifique.canada.ca/record=3513155~S6*frc
Rechercher Snay, Richard A; Rechercher Neugebauer, Helen C; Rechercher Olshansky, Robert B; Rechercher Shedlock, Kaye M; Rechercher Johnston, Arch C; Rechercher Ni, James Fu
U.S. G.P.O, 1994
Publication gouvernementale