TY  - BOOK
AU  - Shen, Y.R  .
TI  - Principles of nonlinear optics / 
SN  - 0-471-88998-9
U1  - C51:6 
PY  - 1984///
CY  - New York : 
PB  - John Wiley & Sons, Inc. , 
KW  - Nonlinear optics
ER  -