Michal KLEIBER
Institute of Fundamental Technological Research
Polish Academy of Sciences
Division of Mechanics of Inelastic Materials
Centre of Mechanics and Information Technology
Swietokrzyska 21, PO 00 049 Warszawa
POLAND
Telephone: 48 22 8268911
Fax: 48 22 8269815
E-mail: mkleiber@ippt.gov.pl