Fractals in the fundamental and applied sciences :  proceedings of the ... Lisbon, Portugal, 6-8 June, 1990 / 
edited by Heinz-Otto Pietgen, Jose Marques Henriques, Luis Filipe Penedo 
 - Amsterdam :  North-Holland,  1991 
 - 461 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0444887571 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fractals--Congresses