Coolen, Edward.j <br/><br/>
Nicholls's Concise Guide to Navigation 

 - London  Glasgow  1987 
 - xxxxiv,1013p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra<br/>Geometry<br/>Graphs
<br/><br/><label>Dewey Class. No.: </label>623.89  / COO