TY  - BOOK
AU  - Beckmann,Petr
TI  - A history of [pi] (pi)
SN  - 0312381859
AV  - QA484 .B4
U1  - 512/.924 
PY  - 1971///
CY  - New York
PB  - St. Martin's Press
KW  - Pi
N1  - Includes bibliographical references (p. 193-195) and index
ER  -