1. Bazilevich, N.I., Rodin, I.Ye., Rozov, N.N.: Geographical aspects ofbiological productivity. Soviet Geogr. Rev. Transl.12, 293?317 (1971) (Transl. from Mat. V. S'ezda Geogr. Obshch. SSSR, Leningrad, 1970)
2. Box, E.: MAPCOUNT und andere Programme zur Herstellung, Weiterverarbeitung und quantitativen Auswertung statistischer, vom Computer gedruckter Landkarten. In-house documentation for the Kemforschungsanlage Jülich GmbH, Jülich, Federal Republic of Germany. p. 88.(computer-printed)+ appendices (1975)
3. Box, E.: Quantitative evaluation of global primary productivity models generated by computers. In: Primary Productivity of the Biosphere (Lieth, H., Whittaker, R. H., Eds.). Berlin-Heidelberg-New York: Springer 1975
4. Box, E.: Average annual energy fixation rate of natural vegetation (?Berlin Model? world map). In: Lieth, H.: Energy flow and efficiency differences in plants and plant communities. In: Application of Calorimetry in Life Sciences (Lamprecht, I., Schaarschmidt, B., Eds.). Berlin-New York: de Gruyter 1976
5. Box, E.: MAPCOUNT: A program for planimetry of SYMAP maps. User's Manual for Version 3.1. Computer-printed documentation (available from author) p. 34. 1978