Ibrahim, Abdelbaki Mohamed (ed). 1998. Architecture of Underground Subway Stations in Cairo. In Alam al-Bina. Cairo: Center for Planning and Architectural Studies, 10-15/203.
The article examines the underground stations, classifying them based on their types (flat, suspended, deep), their depth, the type of construction or position. The article examines the architectural elements forming the underground station, along with underground architecture in general and particularly in Egypt and then it elaborates the Egyptian experiment with underground stations. (Taken from English summary on page 9)