TY  - BOOK
AU  - Bendt,Paul
TI  - Optical analysis of point focus parabolic radiation concentrators
U1  - 539.2 
PY  - 1980///
CY  - Washington
PB  - U.S. Goovernment Printing Office
KW  - Radiation
KW  - Radiant energy
N1  - SERI/TR-631-336
ER  -