عناصر مشابهة

• SURVEILLANCE AND ECOLOGICAL STUDIES ON THE POLYCHATES IN LAKE TIMSAH (SUEZ CANAL. EGYPT)
  بواسطة: Mostafa, Mohamed Shazly Barary منشور: (1992)
• BIOLOGICAL STUDIES ON FOUR CICHLID FISHES(TILAPIA NILOTICA,TILAPIA GALILAE,TILAPIAZILLII,TILAPIA AUREA) IN LAKE MARIUT
  بواسطة: El Shazly, Abd Alrahman A. منشور: (1993)
• Comparative Anatomical and Histological Studies on the Tentacles of Odostomia Unidentata Montagu Hydrobia Ulvae Pennant and Viviparus Viviparus L
  بواسطة: El Taher, Hassan Houssni منشور: (1970)
• Physiology and Ecology of Stylophora Pistillata and Echinopora Gemmacea from the Red Sea
  بواسطة: Al Sofyani, Abd Almohsin Abd Allah منشور: (1991)
• New Species Are Still Being Discovered at A rate Limited Only by the Time Available for the few Experts on the Group to Collect, Quantify Characters and Publish Sebens, 1994. Amer. Zool. 34 : 115-133
  بواسطة: Al Zereini, Wael Ali Hassan منشور: (1990)