共 18 条
[1]
AHLQUIST NC, 1968, ENVIRON SCI TECHNOL, V2, P5
[2]
AHLQUIST NORMAN C, 1967, J AIR POLLUT CONTR ASS, V17, P467
[3]
INSTRUMENTS FOR THE MEASUREMENT OF THE VISUAL RANGE
[J].
JOURNAL OF SCIENTIFIC INSTRUMENTS AND OF PHYSICS IN INDUSTRY,
1949, 26 (11)
:357-359
[4]
BULLRICH K, 1967, PERSONAL COMMUNICATI
[6]
CONNER WD, 1967, 999AP30 PUBL HEALTH
[8]
HORVATH H, 1966, THESIS VIENNA
[9]
JAENICKE R, 1966, BEITR PHYS ATM, V40, P129
[10]
JUNGE C, 1952, BER DEUT WETTERDI, V35, P263