TY  - RPRT
TI  - Optical network synthesis using birefringent crystals. VI - Additional techniques for the synthesis of lossless double-pass networks
AU  - Ammann, E. O.
AU  - Yarborough, J. M.
PY  - 1967
UR  - https://ntrs.nasa.gov/citations/19670011195
ID  - 19670011195
ER  -