Fichtel, C. E., Bertsch, D. L., Dingus, B. L., Esposito, J. A., Hartman, R. C., Hunter, S. D., et al. (1994). Search of the energetic gamma-ray experiment telescope (EGRET) data for high-energy gamma-ray microsecond bursts. The Astrophysical Journal, 434, 557-559.