TY  - BOOK
AU  - Hecht, Jeff 
TI  - Understanding Lasers: : an entry level guide 
T2  - (IEEE press understanding Science & Tech. series )
SN  - 0-7803-1005-5
PY  - 1994///
CY  - New York
PB  - The Institute of Electrical and Electrical Engineers 
KW  - Lasers
ER  -