Schäfer, K. Spectroscopic Atmospheric Monitoring Techniques. SPIE Digital Library.
Chicago-čujuhus (17. p.)Schäfer, Klaus. Spectroscopic Atmospheric Monitoring Techniques. SPIE Digital Library.
MLA-čujuhus (9. p.)Schäfer, Klaus. Spectroscopic Atmospheric Monitoring Techniques. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.