Journal of Applied Spectroscopy
Journal of Applied Spectroscopy > 2002 > 69 > 2 > 260-264
Journal of Applied Spectroscopy > 2002 > 69 > 5 > 747-751
Journal of Applied Spectroscopy > 2002 > 69 > 2 > 260-264
Journal of Applied Spectroscopy > 2002 > 69 > 5 > 747-751