Kizyun, L. M., Kirichenko, A. G., Rudenko, S., Demchyk, M. I., Klimik, V. U., Kudak, K. A., Matso, G. M., Starodubtseva, O. E. (Eds.)(1998): Catalogue GOCKU96 of positions and orbital elements of geosynchronous space objects observed in 1996.