1. Kaczmarczyk S., Ostachowicz W.,
    Modelling of vibrations and prediction of failure im mine hoisting cables,
    Key Engineering Materials, 167-168, pp. 281-290, 1999.

  2. Żak A., Krawczuk M., Ostachowicz W.,
    Vibration of a laminated composite plate with closing delamination,
    Key Engineering Materials, 167-168, pp. 17-26, 1999.

  3. Ostachowicz W., Kawiecki G.,
    Vibrational response of aero-excited composite plates subjected to damage growth,
    Structural Health Monitoring, edited by Fu-Kuo Chang, Technomic Publishing Co., Inc., Lancaster-Basel, pp. 1038-1047, 1999.

  4. Żak A., Krawczuk M., Ostachowicz W.,
    Vibration analysis of composite plate with closing delamination,
    Structural Health Monitoring, edited by Fu-Kuo Chang, Technomic Publishing Co., Inc., Lancaster-Basel, pp. 1019-1028, 1999.

  5. Ostachowicz W., Krawczuk M., Żak A.,
    Finite element analysis of the dynamic response of composite plates with embedded shape-memory alloy fibres,
    Smart Structures, edited by J. Holnicki-Szulc and J. Rodellar, Kluwer Academic Publishers, Netherlands, pp. 265-274, 1999.

  6. Ostachowicz W., Krawczuk M., Żak A.,
    Natural frequencies of multilayer composite plate with shape memory alloy wires,
    Finite Elements in Analysis and Design, 32, pp. 71-83, 1999.