Frie, R. W., & Mac Neil, J. D. (1973). Diffuse reflectance spectroscopy in environmental problem -solving. CRC Press.
Chicago Edition CitationFrie, R W., and J D. Mac Neil. Diffuse Reflectance Spectroscopy in Environmental Problem -solving. Ohio: CRC Press, 1973.
MLA Edition CitationFrie, R W., and J D. Mac Neil. Diffuse Reflectance Spectroscopy in Environmental Problem -solving. CRC Press, 1973.
Warning: These citations may not always be 100% accurate.