23. HELENE, Paulo & GUIMARÃES, André. Diffusion of Chloride Ions in Unsaturated Concrete: Forecast of Service Life in a Wet-Dry Environment. Chapter 12. In: Paulo Helene; Enio Figueiredo J. P.; Terence Holland & Rubens Bittencourt (Ed.). Quality of Concrete Structures and Recent Advances in Concrete Materials and Testing. ACI SP-229. Farmington Hills: American Concrete Institute, 2005. v.1. p.175-194 ISBN 0-87031-182-4
2025.04.23. Palestra Prof. Paulo Helene: O que é ser Pesquisador da Engenharia Civil POLI.UPE? Coordenação Programa de Pós-Graduação em Engenharia Civil – PEC . Universidade