BALLO, Peter (zost.). The Effect of non-standard external factors on physical properties of solids : Proceedings of the 2nd workshop : Konf. Kočovce, Slovak Republik, 18.- 20. Sept. 1996. 1.vyd. Liptovský Mikuláš : Vojenská akadémia SNP, 1996. 138 s. ISBN 80-8040-032-6. E*