Trivieri, Lawrence A. <br/><br/>
Elementary functions :  a study of pre-calculus mathematics / 
Lawrence A. Trivieri 
 - Menlo Park, Calif. :  Cummings Publ. Co.,  1972 
 - vii, 343 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label> RM 
<br/><br/><label>LCCN: </label>72-75430