000 00473pam a2200169a 44500
008 160408b1978 xxu||||| |||| 00| 0 eng d
082 _a621.47028
_bW457o
100 _aWelford, W. T.
245 1 _aOPTICS OF NONIMAGING CONCENTRATORS
_cLIGHT AND SOLAR ENERGY
260 _aNew York
_bAcademic Press
_c1978
300 _axi,200
500 _aReferences : P. 193-196
650 _aSolar Collectors
700 _aWinston, Ronald
964 _gCIRC
997 _aA59794 C
999 _c283748
_d283748