TY  - BOOK
AU  - Ayres, Frank  .
TI  - Theory and problems of differential and integral calculus in SI Metric units / 
T2  - Schaum`s outline series, 
SN  - 0-07-099005-0
U1  - 515 
PY  - 1972///
CY  - New York : 
PB  - Mc Graw Hill Book Company , 
ER  -