TY  - BOOK
AU  - Hirst K E
AU  -  Rhodes F
TI  - Conceptual models in mathematics:  Sets, logic and   
T2  - Mathematical Studies : A Series for Teachers and Students. Edby David Wheeler.5
SN  - 0045100349
U1  - B, L1 
PY  - 1971///
CY  - London
PB  - Allen and Unwin        
KW  - Mathematics
ER  -