Journal of Applied Spectroscopy
Journal of Applied Spectroscopy > 2001 > 68 > 4 > 711-714
Journal of Applied Spectroscopy > 2001 > 68 > 4 > 642-648
Journal of Applied Spectroscopy > 2001 > 68 > 4 > 711-714
Journal of Applied Spectroscopy > 2001 > 68 > 4 > 642-648