Jilkov, V.P., L.S. Mihaylova, and X. Rong-Li. An Alternative IMM Filter for Benchmark Tracking Problem In 1st Intern. Conf. on Multisource-Multisensor Inform. Fusion-FUSION' 98 . Vol. 2. Las Vegas, Nevada, 1998.

Jilkov, V.P., D.S. Angelova, and Tzvetan Semerdjiev. Multiple Hypothesis Tracking Using GPB Filtering In Compte rendus de l'Academie Bulgare des Sciences., 1996.

Jilkov, V.P., and D.S. Angelova. Performance Evaluation and Comparison of Variable Structure Multiple-Model Algorithms for Tracking Maneuvring Radar Targets In 26th Europ. Microwave Conference. Prague, Czech Republic, 1996.

Jilkov, V.P.. Square-Root PDA Filtering In Intern. Conf. on Mathematical Modelling and Scientific Computations. Sofia: DATECS Publishing, 1993.