title: Comments on "frequency shifts in a crystal resonator due to submersion in a fluid".
abstract: A critical analysis of the paper by Yang is presented. The results presented in the paper are correct. Still, it is necessary to point out a few shortcomings that are possibly due to the fact that the author was not aware of some earlier papers when he submitted his paper.
authors.forename: Piotr
authors.initials: P
authors.lastname: Kielczynski
mesh_terms: D016477:Artifacts; D003198:Computer Simulation; D007090:Image Interpretation, Computer-Assisted / Q000379:methods*; D008962:Models, Theoretical; D015203:Reproducibility of Results; D012212:Rheology / Q000379:methods*; D012680:Sensitivity and Specificity; D014159:Transducers; D014463:Ultrasonography / Q000295:instrumentation* / Q000379:methods*