Rasse︠i︡annoe organicheskoe veshchestvo gornykh porod i metody ego izucheni︠i︡a - Kontorovich, Alekseĭ Ėmilʹevich; Uspenskiĭ, V. A. (Vladimir Alekseevich), 1907-1982 (Trudy Instituta geologii i geofiziki, 1977)