Comstock, George Cary,  1855-1934, <br/><br/>
A text-book of field astronomy for engineers. 

 - 2 # ed. rev. and enl. 
 - 218 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomía esférica
<br/><br/><label>LC Class. No.: </label>QB201  / C65