TY  - BOOK
AU  - Poston Tim
AU  -  Stewart Ian
TI  - Catastrophe theory and its applications
T2  - Surveys and reference Works in Mathematics; 2
U1  - B334, L8 
PY  - 1978///
CY  - London
PB  - Pitman       
N1  - Appendix 431-79p
ER  -