1. Active control of structures;Zacharenakis,1991
2. Kinetic structures, civil engineering;Zuk;ASCE,1968
3. Concept of structural control;Yao;ASCE,1972
4. Optimal control in the unilateral thin plate theory;Panagiotopoulos;Archs Mech. (Archinum Mechaniki Stosowanej),1977
5. On the Optimal Control of Physical Systems Governed by Static Variational Inequalities;Panagiotopoulos,1977