Silva, J.; Ferreira, C.; Azenha, M.; Gomes Correia, A.; Ramos, L.; 
AGUILAR, R.(2012). 
Continuous Stiffness Monitoring by Resonant Frequency of a Cement Stabilized Sand. En 
XIII Congresso Português de Geotecnia. LISBOA. Laboratório Nacional de Engenharia Civil - LNEC. 
AGUILAR, R.; Ramos, L. F.; Lourenço, P. B.; 
TORREALVA, D. E.(2012). 
Operational Modal Analysis Tests on Peruvian Historical Buildings: The Case Study of the 19th Century Hotel Comercio. En 
15th World Conference on Earthquake Engineering. LISBOA. Sociedade Portuguesa de Engenharia Sísmica. 
 AGUILAR, R.; Ramos, L. F.; Azenha, M.; Allemang, R. (Editor). (2012). 
The Use of Continuous System Identification for Evaluation of Concrete E-modulus Evolution: Laboratory and Field Applications. En 
IMAC 2012 - XXX Conference and Exposition on Structural Dynamics. (pp. 405 - 412). ORLANDO. Society for Experimental Mechanics - SEM. Recuperado de: 
https://link.springer.com/chapter/10.1007/978-1-4614-2419-2_41 AGUILAR, R.; Ramos, L. F.; Azenha, M.(2011). 
Automatic System Identification Algorithm for Processing Ambient Vibration Data. En 
IOMAC-2011:International Operational Modal Analysis Conference, Istanbul, Turkey. IOMAC. 
 AGUILAR, R.; Ramos, L. F.; Lourenço, P. B.; Severino, R.; Gomes, R.; Gandra, P.; Alves, M.; Tovar, E.(2011). 
Challenges and Possibilities of WSNs in the Dynamic Monitoring of Existent Structures. En 
8th International Workshop on Structural Health Monitoring - 2011, Stanford University, Stanford, CA, USA. Standford University. 
 AGUILAR, R.; Ramos, L. F.; Lourenço, P. B.; Severino, R.; Gomes, R.; Gandra, P.; Alves, M.; Tovar, E.(2011). 
Challenges and Possibilities of WSNs in the Dynamic Monitoring of Existent Structures. En 
8th International Workshop on Structural Health Monitoring. Standford University. 
 Azenha, M.; Fereira, C.; Silva, J.; Gomes Correia, A.; 
AGUILAR, R.; Ramos, L. F.(2011). 
Continuous Stiffness Monitoring of Cemented Sand Through Resonant Frequency (2011). ASCE-Geotechnical Special Publications: Emerging Technologies for Design, Construction, Rehabilitation, and Inspection of Transportation Infrastructures. Volumen: 212. 
Luong, H.; Ramos, L. F.; 
AGUILAR, R.(2011). 
Identification of the Tensile Force in Tie-rods of Historical Constructions. En 
IMAC-XXIX: A Conference and Exposition on Structural Dynamics, Jacksonville, USA. IMAC.