TY  - BOOK
AU  - Pownall,Malcolm W.
TI  - Functions and graphs: calculus preparatory mathematics 
SN  - 0133323048
PY  - 1983///
CY  - Englewood Cliffs
PB  - Prentice-Hall
KW  - Functions
KW  - Algebra
KW  - Graphic methods
N1  - Includes index; Open access
ER  -