“THE SPECTROPHOTOMETRIC ANALYSIS OF PIGMENTS OF ALGA $CHLORELLA~PYRENOIDOSA$, SUBJECTED TO ACTION OF INCREASED TEMPERATURES”, Proc. YSU B: Chem. Biol. Sci., vol. 38, no. 3 (205), pp. 91–94, Oct. 2004, doi: 10.46991/PYSUB.2004.38.3.091.