TY  - BOOK
AU  - Green J A
TI  - Sets and groups
SN  - 0710079400 (pbk)
U1  - B217, K5 
PY  - 1965///
CY  - Oxon
PB  - Routledge & Britain Paul Ltd.     
KW  - Sets and groups
N1  - Index 83-84p
ER  -