Typos
Ovchinnikov MM, PodgornyÄ GN, BalakhovskiÄ IS. [Quantitative ultraviolet, visible, and near infrared spectrophotometric analysis] Klin Lab Diagn. 2002 Feb;(2):6-11. Review. Russian.
Read the abstract. I'm fairly confident they meant Beer. And Bouguer.
And yes, I totally found this via PubMed by searching for 'booger'.