TY  - BOOK
AU  - Mansfield,M.J., x
AU  - x
TI  - Calculus ; : an introductory course 
SN  - x      
U1  - 515/MAC  
PY  - 1972///
CY  - Boston 
PB  - Prindle
KW  - Calculus
N1  - Includes
ER  -