Kasenov, B.; Mustafin, E.; Bekturganova, A.; Kasenova, S.; Sagintaeva, J.; Davrenbekov, S.; Abildaeva, A. Study of Chromites YbMIICr2O5,5 (MII - Mg, Ca, Sr, Ba) by X-Ray Diffraction. Chemical Bulletin of Kazakh National University 2012, 65, 72-76.