TY  - BOOK
AU  - Aldridge,Bill G.
AU  - Waldman,Gary S.
AU  - Yoder,John T.
TI  - The binoculars: a module on waves, physical and geometrical options 
SN  - 007001714X
PY  - 1975///
CY  - New York
PB  - McGraw-Hill
KW  - Binoculars
ER  -