TY  - BOOK
AU  - Bowran, A. P.
TI  -  A Boolean algebra, abstract and concrete
U1  - 511.324 23
PY  - 1965///]
CY  - London,  New York
PB  - Macmillan, St Martin's Press
KW  - Algebra, Boolean
N1  - Includes bibliographic refrences( p. 50-51) and index
ER  -