000 00285 a2200121 4500
080 _a539.16
_bK 81 U
245 1 _aUltraviolet radiation
_cby L.R. Koller
260 _aNew York
_c1952
650 _aUltraviolet Radiation
100 1 _aKoller, L.R.
_d
300 _a270 p.
901 _a52244
999 _c27707
_d27707