TY  - BOOK
AU  - DURELL, CLEMENT V.
TI  - CERTIFICATE MATHEMATICS
AV  - QA135.D87 V.2 C.1 C.1
PY  - 1958///
CY  - LONDON
PB  - G.BELL AND SONS LTD
KW  - MATHEMATICS
N1  - INCLUDES INDEXS
ER  -