000			003510000a22001570004500
001			EST
003			535-1 / S53
004			M
006			m
100			_aSmith, R. A.
100			_aJones, F. E.
100			_aChasman, R. P.
245			_aThe detection and measurement of infra-red radiation
650			_a<INFRARROJOS><RADIACION>
999			_c15756 _d15756