TY  - BOOK
AU  - Levine H
TI  - Unidirectional wave motions
T2  - North Holland Series in Applied Mathematics and Mechanics; 23
U1  - B7:55, L8 
PY  - 1978///
CY  - Amsterdam
PB  - North-Holland         
KW  -  Waves
KW  - Mechanics
ER  -