Oosterbroek, T., van der Klis, M., Kuulkers, E., van Paradijs, J. A., & Lewin, W. H. G. (1995). Circinis X-1 revisited: fast-timing properties in relatio to spectral state. Astronomy & Astrophysics, 297, 141-158.
Kuulkers, E., & van der Klis, M. (1995). Detection of 26 Hz QPO in the flaring branch of Cygnus X-2. Astronomy & Astrophysics, 303, 801-806.
Kuulkers, E., van der Klis, M., Oosterbroek, T., Asai, K., Dotani, T., van Paradijs, J., & Lewin, W. H. G. (1995). Spectral and correlated timing behaviour: erratum. Astronomy & Astrophysics, 295(3), 842.
Kuulkers, E. (1995). EXOSAT observations of Z sources. [Thesis, fully internal, Universiteit van Amsterdam].
Kuulkers, E., van der Klis, M., Oosterbroek, T., van Paradijs, J. A., & Lewin, W. H. G. (1994). GX 5-1 and GX 17+2 with EXOSAT: New insights in two z sources. In C. S. Day, & S. S. Holt (Eds.), The evolution of x-ray binaries (pp. 539-542). (AIP Conf. Proc. NATO ASI Series C; No. 308). AIP.
Kuulkers, E., van der Klis, M., Oosterbroek, T., & van Paradijs, J. A. (1994). GX 5-1 with EXOSAT: how to become a Z source. In M. S. Longair, W. Wamsteker, & Y. Kondo (Eds.), Frontiers of space and ground-based astronomy (pp. 611-614). (ASSL NATO ASI Series C; No. 187). Kluwer Acad. Publ..
Kuulkers, E. (1994). Isolated pulsars [Review of: R. Epstein. Isolated pulsars]. In R. Epstein, K. A. van Riper, & C. Ho (Eds.), Unknown Cambridge University Press.
Kuulkers, E., van der Klis, M., Oosterbroek, T., van Paradijs, J. A., & Lewin, W. H. G. (1994). New insights in two Z soures. In C. S. Day, & S. S. Holt (Eds.), The evolution of x-ray binaries (pp. 439-452). (AIP Conf. Proc.; No. 308). AIP.
Rutten, R. G. M., Dhillon, V., Horne, K., & Kuulkers, E. (1994). Spectral eclipse mapping of the accretion disk in the nova-like variable UX UMa. Astronomy & Astrophysics, 283, 441-454.
Kuulkers, E., van der Klis, M., Oosterbroek, T., Asai, K., Dotani, T., van Paradijs, J. A., & Lewin, W. H. G. (1994). Spectral and correlated timing behaviour of GX 5-1. Astronomy & Astrophysics, 289, 795-821.
