Wilson, A. G. (Alan Geoffrey) <br/><br/>
Catastrophe theory and bifurcation :  applications to urban and regional systems / 
A.G. Wilson 
 - London :  Croom Helm,  1981 
 - 331 p. :  ill. ;  22cm. 
<br/><br/>Bibliography : p.301-313 
<br/><br/><label>ISBN: </label>0520043707 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography--Mathematics<br/>Catastrophes (Mathematics)<br/>Bifurcation theory<br/>Sociology, Urban--Mathematical models