TY  - BOOK
AU  - Yoder, Jr., Paul R.
TI  - Field Guide to Binoculars and Scopes
SN  - 9780819486493 (Print)
PY  - 2011///
CY  - Washington, USA
PB  - SPIE
UR  - https://doi.org/10.1117/3.890095
ER  -