TY  - BOOK
AU  - Bridgewater , P. 
AU  - Carrington, C B
AU  - Smirth, H T 
TI  - Pergamon Comprehensive Mathematics ( Book-3) 
SN  - 0080089275 
U1  - 510 
PY  - 1972///.
CY  - London: 
PB  -  Pergamon Press; 
ER  -