"Dedicated to the 130th anniversary of the birth of the founder of the scientific conception of biosphere and noosphere V.I. Vernadsky and 25th annive...
"Dedicated to the 130th anniversary of the birth of the founder of the scientific conception of biosphere and noosphere V.I. Vernadsky and 25th anniversary of international collaboration on the UNESCO Pragramme 'Man and Biosphere'"--P. [5]