000 00473 a2200253 4500
001 109111
020 _a5
041 _aeng
080 _a535.3:535.2 Kol
245 _aUltraviolet radiation
250 _a
260 _aNew York
260 _bJohn Wiley,
260 _c1952
300 _aix,270 p.
300 _c23 cm
490 _a
100 _aKoller, Lewis R.
700 _a
650 _a
650 _aUltraviolet radiation
942 _cBK
942 _2UDC
999 _c118684
_d118684