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 Constantinos G. Vayenas · Catalysis in Chemistry and Physics: The Roles of Leptons, Special Relativity and Quantum Mechanics (Hardcover Book) [2024 edition] (2024)](https://imusic.b-cdn.net/images/item/original/219/9783031681219.jpg?constantinos-g-vayenas-2024-catalysis-in-chemistry-and-physics-the-roles-of-leptons-special-relativity-and-quantum-mechanics-hardcover-book&class=scaled&v=1758136931)
![Cover for Constantinos G. Vayenas · Gravity, Special Relativity, and the Strong Force: A Bohr-Einstein-de Broglie Model for the Formation of Hadrons (Paperback Book) [Softcover Reprint of the Original 1st 2012 edition] (2016)](https://imusic.b-cdn.net/images/item/original/202/9781489978202.jpg?constantinos-g-vayenas-2016-gravity-special-relativity-and-the-strong-force-a-bohr-einstein-de-broglie-model-for-the-formation-of-hadrons-paperback-book&class=scaled&v=1614997516)
