TY  - BOOK
AU  - Butcher Paul N
AU  -  Cotter David
TI  - Elements of nonlinear optics
T2  - Cambridge studies in modern optics; 9
U1  - C5:8N6, N1 
PY  - 1991///
CY  - Cambridge
PB  - CUP         
KW  -  Physics
KW  - Nonlinear optics
ER  -