Authors: Smith, JB Lamanna, MC Lacovara, KJ Dodson, P Smith, JR Poole, JC Giegengack, R Attia, Y

Citation: Jb. Smith et al., A giant sauropod dinosaur from an Upper Cretaceous mangrove deposit in Egypt, SCIENCE, 292(5522), 2001, pp. 1704-1706

Authors: Saleh, MA Helmy, I Giegengack, R

Citation: Ma. Saleh et al., The cheetah, Acinonyx jubatus (Schreber, 1776) in Egypt (Felidae, Acinonychinae), MAMMALIA, 65(2), 2001, pp. 177-193

Authors: Hughes, GB Giegengack, R Kritikos, HN

Citation: Gb. Hughes et al., Spectral indications of unexpected contributors to atmospheric CO2 variability?, INT J CLIM, 19(8), 1999, pp. 813-819