Schäfer, K. Spectroscopic Atmospheric Monitoring Techniques. SPIE Digital Library.
Chicago Style (17th ed.) CitationSchäfer, Klaus. Spectroscopic Atmospheric Monitoring Techniques. SPIE Digital Library.
MLA (9th ed.) CitationSchäfer, Klaus. Spectroscopic Atmospheric Monitoring Techniques. SPIE Digital Library.
Warning: These citations may not always be 100% accurate.