TY  - JOUR
PY  - 1982//
TI  - Genetic and environmental influences on the development of piagetian logico-mathematical concepts and other specific cognitive abilities: a twin study
JO  - Acta geneticae medicae et gemellologiae
A1  - Garfinkle, A. S.
SP  - 10
EP  - 61
VL  - 31
IS  - 1-2
N2  - <p>[Abstract unavailable]</p> <p>Language: en</p> 
LA  - en
SN  - 0001-5660
UR  - http://dx.doi.org/
ID  - ref1
ER  -