Pickell, M. B. (1993). Pipeline infrastructure II: Proceedings of the International Conference. New York: American Society of Civil Engineers.
Παραπομπή Chicago StylePickell, Mark B. Pipeline Infrastructure II: Proceedings of the International Conference. New York: American Society of Civil Engineers, 1993.
Παραπομπή MLAPickell, Mark B. Pipeline Infrastructure II: Proceedings of the International Conference. New York: American Society of Civil Engineers, 1993.
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