Farquharson, S. Optical Methods for Chemical Process Control. SPIE Digital Library.
Chicago-čujuhus (17. p.)Farquharson, Stuart. Optical Methods for Chemical Process Control. SPIE Digital Library.
MLA-čujuhus (9. p.)Farquharson, Stuart. Optical Methods for Chemical Process Control. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.