ISSMGE has posted on its website a recorded webinar by Eduardo Alonso on the topic "Unsaturated Soils: Basic Concepts and Applications (Part 1 and Part 2)" which is available for free. To view it visit: http://www.issmge.org/en/resources/recorded-webinars/556-unsaturated-soils-basic-concepts-and-applications-part-1-and-part-2