The study of twins /
Mittler, Peter J.
The study of twins / Peter Mittler. - Harmondsworth : Penguin, 1971. - 192 p. : ill. - Penguin science of behaviour: abnormal and clinical psychology Penguin education, 210 .
014080210X
Twins.
The study of twins / Peter Mittler. - Harmondsworth : Penguin, 1971. - 192 p. : ill. - Penguin science of behaviour: abnormal and clinical psychology Penguin education, 210 .
014080210X
Twins.