Title: Materialy 1-go Mezhdunarodnogo simpoziuma "Ivan Efremov--uchenyĭ,  myslitelʹ, pisatelʹ, vzgli︠a︡d v 3-e tysi︠a︡cheletie, predvidenii︠a︡ i prognozy"
First published: 1998
Subjects: Congresses, Science and civilization, Forecasting, Human ecology
People: Ivan Antonovich Efremov (1907-1972)