TY  - BOOK
AU  - Wells,D.G.
TI  - The Penguin book of curious and interesting mathematics
SN  - 0140236031 (pbk.)
AV  - QA93 .W38 1997
U1  - 510 21
PY  - 1997///
CY  - London, New York
PB  - Penguin Books
KW  - Mathematics
KW  - Popular works
N1  - Includes bibliographical references (p. [269]-310) and index
ER  -