Lu, Yung-Chen, <br/><br/>
Singularity theory and an introduction to catastrophe theory 
Yung-chen Lu. 
 - New York  Springer-Verlag  1976. 
 - xii, 199 pages :    illustration, ;    24 cm. 
<br/><br/>Bibliography: p. 192-196. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differentiable mappings<br/>Singularities (Mathematics)<br/>Catastrophes (Mathematics)