Proceedings of the Third International Congress on Acoustics. The transactions of the seventh international congress on large dams . Proceedings of the Third International Congress on Acoustics : Proceedings of the fourth International Congress of Biochemistry : Proceedings of the fourth International Congress of Biochemistry. Proceedings of the fourth International Congress on Pharmacology : the Symposium of Living Community Chapter of the 12th International Congress of Ecology Proceedings of the Fourth International Congress on Pharmacology : the innovation engine of the fourth industrial revolution The transactions of the seventh international congress on large dams . Vol. 4.