01083nam a2200325 i 450099100106245970753620020507105938.0970308s1983 us ||| | eng b10168230-39ule_instLE00641489ExLDip.to Fisicaita52.9.5752.9.5853.2.4522'.5QB86Eccles, M.462730Low light level detectors in astronomy /M. Eccles, M.J. Sim and K.P. TrittonNew York :Cambridge University Press,1983xii, 187 p. :ill. ;24 cm.Astronomical instrumentsOptical detectorsSim, M.J.Tritton, K.P..b1016823021-09-0627-06-02991001062459707536LE006 52.9.57+52.9.58 ECC12006000029339le006-E0.00-l- 00000.i1020535427-06-02Low light level detectors in astronomy188304UNISALENTOle00601-01-97ma -engus 01