TY  - BOOK
AU  - Rickey,George
TI  - Constructivism; origins and evolution
AV  - N6490 .R54
U1  - 701.8 
PY  - 1967///]
CY  - New York
PB  - G. Braziller
KW  - Constructivism
KW  - Local
N1  - Bibliography: p. 247-300
ER  -