1. L. Hermans, H. Van der Auweraer, M. Abdelghani, Critical evaluation of modal parameter extraction schemes for output-only data, Proceedings of the International Modal Analysis Conference Japan (JMAC), 1997, pp. 682–688.
2. L. Hermans, H. Van der Auweraer, P. Guillaume. A frequency-domain maximum likelihood approach for the extraction of modal paramaters from output-only data. Proceedings of the 23rd International Seminar on Modal Analysis (ISMA23), September 1998, pp. 367–376.
3. P. Guillaume, L. Hermans, H. Van der Auweraer, Maximum likelihood identification of modal parameters from operational data. Proceedings of the 17th International Modal Analysis Conference (IMAC17), February 1999, pp. 1887–1893.
4. O. Loland, J.C. Dodds, Experience in developing and operating integrity monitoring system in North Sea. Proceedings of the Eighth Annual Offshore Technology Conference, 1976, pp. 313–319.
5. R. Nataraja, Structural integrity monitoring in real seas. Proceedings of the 15th Annual Offshore Technology Conference, 1983, pp. 221–228.