TY  - BOOK
AU  - Claridge,Gordon
AU  - Canter,Sandra
AU  - Hume,W.I.
TI  - Personality differences and biological variations: a study of twins,
T2  - International series of monographs in experimental psychology, v. 18
SN  - 0080171249
AV  - BF723.T9 C58 1973
U1  - 136 Cla/Per 
PY  - 1973///]
CY  - Oxford, New York
PB  - Pergamon Press
KW  - Twins
KW  - Individuality
KW  - Variation (Biology)
KW  - Genetics, Human
KW  - Personality
N1  - Includes bibliographies
ER  -