TY  - BOOK
AU  - Peterson, Bryan
TI  - Understanding Exposure
SN  - 9781607748502
U1  - 771 PET-U 
PY  - 2016///
CY  - US
PB  - Amphoto Books
KW  - Techniques, equipment & materials
N1  - 1. Defining Exposure
2. Aperture
3. Shutter Speed
4. Light
5. Special Techniques
6. Electronic Flash
UR  - https://books.google.co.in/books?id=vCDzCQAAQBAJ&printsec=frontcover&dq=understanding+exposure&hl=en&sa=X&ved=0ahUKEwjm8vrOrKjnAhXY7WEKHU1UCvEQ6AEIPzAD#v=onepage&q=understanding%20exposure&f=false
ER  -