Holzapfel, Helmut <br/><br/>
Trip relationships in Urban areas 
by Helmut Holzapfel 
 - Aldershot  Gower  1986 
 - vi, 131p 
<br/><br/><label>ISBN: </label>0 566 05235 0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Local transit -Germany -Berlin.<br/>Urban transportation
<br/><br/><label>Dewey Class. No.: </label>W2 H748