TY - BOOK AU - Tyler,John E. AU - Smith,R.C. TI - Measurements of spectral irradiance underwater SN - 0677025904 AV - GC21.T9 U1 - 551.4/601 PY - 1970///] CY - New York PB - Gordon and Breach KW - Underwater light KW - Measurement KW - Spectral irradiance ER -