Shipments to the United States
Due to changes in U.S. customs regulations, all shipments to the United States are now subject to customs clearance.
This means that the recipient will be required to pay customs duties, as well as any applicable taxes and fees upon import.
Please also note that delivery may be delayed while the shipment is being processed by U.S. customs.
![Cover for William G. Gray · Introduction to the Thermodynamically Constrained Averaging Theory for Porous Medium Systems - Advances in Geophysical and Environmental Mechanics and Mathematics (Paperback Book) [Softcover reprint of the original 1st ed. 2014 edition] (2016)](https://imusic.b-cdn.net/images/item/original/016/9783319355016.jpg?william-g-gray-2016-introduction-to-the-thermodynamically-constrained-averaging-theory-for-porous-medium-systems-advances-in-geophysical-and-environmental-mechanics-and-mathematics-paperback-book&class=scaled&v=1486281014)
![Cover for William G. Gray · Introduction to the Thermodynamically Constrained Averaging Theory for Porous Medium Systems - Advances in Geophysical and Environmental Mechanics and Mathematics (Hardcover Book) [2014 edition] (2014)](https://imusic.b-cdn.net/images/item/original/097/9783319040097.jpg?william-g-gray-2014-introduction-to-the-thermodynamically-constrained-averaging-theory-for-porous-medium-systems-advances-in-geophysical-and-environmental-mechanics-and-mathematics-hardcover-book&class=scaled&v=1527190587)
