Patrick Blatter Books

Regulatory Barriers and the Principle of Non-discrimination in World Trade Law: Past, Present, and Future

By Petros Constantinos Mavroidis, Thomas Cottier, Patrick Blatter

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"The World Trade Forum 1999 deals with the issue of regulatory barriers. Contributors focus on the principle of non-discrimination. Papers presented cover both the positive and the normative level...

Regulatory Barriers and the Principle of Non Discrimination in World Trade Law Vol. 2

By Petros Constantinos Mavroidis, Thomas Cottier, Patrick Blatter

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Role of the Judge in International Trade Regulation

By Petros Constantinos Mavroidis, Thomas Cottier, Patrick Blatter

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.