TY  - BOOK
AU  - Conference on "Nonlinear Dynamics", New York. Academy of Sciences, Dec. 17-21, 1979.
AU  - Helleman, Robert H. G. ; ed.
TI  - Nonlinear dynamics; proceedings
U1  - 530.1 
PY  - 1980///
CY  - New York
PB  - New York Academy
ER  -