Takewaki, I., Yoshitomi, S., Uetani, K., & Tsuji, M. (1999). Non-monotonic optimal damper placement via steepest direction search. Earthquake engineering & structural dynamics, 28(6), 655-670. https://doi.org/10.1002/(SICI)1096-9845(199906)28:6<655::AID-EQE833>3.0.CO;2-T
Chicago Style (17th ed.) CitationTakewaki, Izuru, Shinta Yoshitomi, Koji Uetani, and Masaaki Tsuji. "Non-monotonic Optimal Damper Placement via Steepest Direction Search." Earthquake Engineering & Structural Dynamics 28, no. 6 (1999): 655-670. https://doi.org/10.1002/(SICI)1096-9845(199906)28:6<655::AID-EQE833>3.0.CO;2-T.
MLA (9th ed.) CitationTakewaki, Izuru, et al. "Non-monotonic Optimal Damper Placement via Steepest Direction Search." Earthquake Engineering & Structural Dynamics, vol. 28, no. 6, 1999, pp. 655-670, https://doi.org/10.1002/(SICI)1096-9845(199906)28:6<655::AID-EQE833>3.0.CO;2-T.