TY  - GEN
TY  - GEN
T1  - The optics problem solver
A2  - Fogiel, M.
LA  - eng
PP  - New York
PB  - Research and Education Association
YR  - 1981
UL  - https://kansalliskirjasto.finna.fi/Record/vaari.1746708
SN  - 0-87891-526-5
ER  -