1. Iribarren R. Una Formula Para el Calcula de los Diques de Escollera (A Formula for the Calculation of Rock-fill Dikes). Revista de Obras Publicas Madrid Spain 1938. Translated by D. Heinrich Technical Report HE-116-295 Fluid Mechanics Laboratory University of California Berkeley California 1948.
2. Iribarren R. and Nogales C. Generalizacion de la Formula Para el Calculo de los Digues de Escollera y Comprobacion de sus Coeficientes (Generalization of the Formula for Calculation of Rock-fill Dikes and Verification of its Coefficients). Revista de Obras Publicas Madrid Spain 1950. Translated by A. Haritos Waterways Experiment Station Translation No. 51-4 Vicksburg Mississippi 1951.
3. Iribarren R. and Nogales C. "Other verifications of the formula for the calculation of breakwater embankments." Bulletin Permanent International Association of Navigation Congresses No. 39 (1954) pp. 119-139.
4. Hudson R. Y. and Jackson R. A. Stability of Rubble-Mound Breakwaters. Waterways Experiment Station Technical Memorandum No. 2-365 Vicksburg Mississippi 1953.
5. Hudson R. Y. Design of Quarry-Stone Cover Layers for Rubble-Mound Breakwaters. Waterways Experiment Station Research Report No. 2-2 Vicksburg Mississippi 1958.