1. Conditions of humus accumulation in the soils of the Kura-Araks Lowland of Azerbaydzhan;Aliyev;Dokl. Akad. Nauk Azerb. S.S.R.,1957
2. Organic matter in Middle Miocene rocks;Andreyev;Geol. Sb. (Moscow),1955
3. A Study of Dissolved Organic Matter and its Adsorption by Discrete Particles in Sea Water. A Geochemical Symposium;Bader,1960
4. Organic geochemistry of Cherokee Group in southeastern Kansas and northeastern Oklahoma;Baker;Bull. Am. Assoc. Petrol. Geologists,1962
5. The chemistry of diatoms;Barashkov;Botan. Zh.,1960