Busemann, Herbert, <br/><br/>
The geometry of geodesics. 

 - New York,  Academic Press,  1955 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Differential.;Curves on surfaces.
<br/><br/><label>Dewey Class. No.: </label>513.7;516.362 BUS