Nielsen, Kaj Leo,  1914- <br/><br/>
Plane & sphrerical trigonometry :  a review outline with five-place tables, exercises, examinations and answers / 
Kaj L. Nielsen and John H. Vanlonkhuyzen. 
 - New York :  Barnes & Noble,  1954. 
 - 189 p. :  illus. ;  21 cm. 
 - College outline series ;  45 .
<br/><br/> Open access. 
<br/><br/><label>LCCN: </label>548921  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.