(1993). Greater Cairo Wastwater Project: Supplement to Civil Engineering (Special Issue.). London: Thomas Telford Services Ltd.
Παραπομπή Chicago StyleGreater Cairo Wastwater Project: Supplement to Civil Engineering. Special Issue. London: Thomas Telford Services Ltd, 1993.
Παραπομπή MLAGreater Cairo Wastwater Project: Supplement to Civil Engineering. Special Issue. London: Thomas Telford Services Ltd, 1993.
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