Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 9 references without a DOI — listed, not checked
no DOI — not checkedNozhevnikova, A.N., Kallistova, A.Yu., Litti, Yu.V., and Kevbrina, M.V., Biotekhnologiya i mikrobiologiya anaerobnoi pererabotki organicheskikh kommunal’nykh otkhodov (Biotechnology and Microbiology of Anaerobic Processing of Organic Municipal Waste), Nozhevnikova, A.N, Ed., Moscow: Universitetskaya Kniga, 2016.
no DOI — not checkedSen’ko, O.V., Gladchenko, M.A., Lyagin, I.V., et al., Transformation of the biomass of phototrophic microorganisms into methane, Al’ternat. Energ. Ekol., 2012, vol. 107, no. 3, pp. 89–94.
no DOI — not checkedMazanov, S.V., Gabitova, A.R., Usmanov, R.A., and Gabitov, R.R., Experimental study of the process of obtaining biodiesel in the presence of the heterogeneous catalyst Al2O3, Vestn. Tekhnol. Univ., 2015, vol. 18, no. 7, pp. 159–161.
no DOI — not checkedKalyuzhnyi, S.V., Danilovich, D.A., and Nozhevnikova, A.N., Anaerobnaya biologicheskaya ochistka stochnykh vod (Anaerobic Biological Wastewater Treatment), Itogi Nauki Tekhn., Ser. Biotekhnol., Varfolomeev, S.D., Ed., Moscow: VINITI, 1991, vol. 29.
no DOI — not checkedSkibida, I.P., Aseeva, R.M., Sakharov, P.A., and Sakharov, A.M., Intumescent coke-forming antiperen, method for its production, method for fire-protecting processing of combustible substrate, and the method for extinguishing the hearth of combustion, RF Patent no. 2204547, 2003.
no DOI — not checkedVarfolomeev, S.D., Lomakin, S.M., Gorshenev, V.N., et al., Antiperen, method for its production, method for fire-protecting processing of materials, and method for extinguishing the hearth of combustion, RF Patent no. 2425069, 2011.
no DOI — not checkedHooijmans, C.M., Veenstra, S., and Lubberding, H.J., Laboratory course process parameters and microbiology, in International Course in Anaerobic Waste Water Treatment, Lettinga, G., Ed., Delft., Wageningen (Holland): Agricultural University, 1990.
no DOI — not checkedGladchenko, M.A., Development of biotechnological methods of recycling waste wine, Cand. Sci. (Eng.) Dissertation, Moscow: Ross. Khim. Techn. Univ. im. D.I. Mendeleeva, 2001.
no DOI — not checkedKlesov, A.A., Rabinovich, M.L., and Sinitsin, A.P., Enzymatic hydrolysis of cellulose. I. Activity and quantitative composition of cellulase complexes from various sources, Bioorg. Khim., 1980, vol. 6, no. 8, pp. 1225–1242.
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