UV-B according to CIE and ISO standrads: 280--315 nm. UV-B according to
common non-standard practice: 280--320 nm. UV-B according to medical or
dermatological non-standard practice: 280--320 nm.
Usage
UVB(std = "ISO")
Arguments
std
a character string "CIE", "ISO", "medical" or "none"
Value
a waveband object wavelength defining a wavelength range.