Advances in spatial databases :  2nd Symposium, SSD '91, Zurich, Switzerland, August 28-30, 1991 : proceedings / 
 SSD '91 
O. Günther and H. -J. Schek, eds. 
 - Berlin :  Springer-Verlag,  1991 
 - 471 p. 
 - Lecture notes in computer science ;  no. 525 .
<br/><br/><label>ISBN: </label>3540544143 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems--Congresses<br/>Data base management--Congresses
<br/><br/><label>LC Class. No.: </label>QA76.9 D3  / S978 1991