PARTICIPATION IN INTERNATIONAL CONGRESSES AND SIMPOSIA:

1996 - International workshop meeting. Nuclear waste disposal in Russia,

Krasnoyarsk.

1994 - NATO Advanced Workshop on "Genesis and properties of collapsible soils".

1993 - Int. Conf. "Geoarcheology of timuli in ancient Europe", Univ. of

Calabria, Italiy.

1985 - Eleventh Internat. Conf. Soil Mech. Foud. Engng., San Francisco.

1979 - Int. Symposium "Changes of the Geological Environment under the

Influense of Man's Activity, Poland, .

1973 - Eight Internat. Conf. SMFE, Moscow.