1. Tensor Analysis of Networks;Kron,1939
2. Application of admittance and impedance concepts in the synthesis of vibrating systems;Sykes,1971
3. The combination of dynamical systems;Sofrin;Journal of the Aeronautical Sciences,1946
4. Optimal frequency response shaping by appendant structures;Kitis;Journal of Sound and Vibration,1984
5. Direct structural modification using frequency response functions;Crowley,1984