TY  - BOOK
AU  - Hooper,A.
TI  - The river mathematics
AV  - QA39 .H67
U1  - 510 
PY  - 1945///]
CY  - New York
PB  - H. Holt and company
KW  - Mathematics
KW  - Local
N1  - At head of title: A. Hooper, M.A; "First printing."
ER  -