G. Burkhardt Books

Literature 1998 Part 2 Astronomy and Astrophysics Abstracts Volume 70 Parts A B TWO VOLUMES

By G. Burkhardt

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Astronomy and Astrophysics Abstracts Literature 1989 1993

By G. Burkhardt, I. Heinrich, Hermann Hefele, U. Esser

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Literature 1990 Astronomy and Astrophysics Abstracts

By G. Burkhardt, I. Heinrich, Hermann Hefele, U. Esser

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Astronomy and Astrophysics Abstracts

By G. Burkhardt, Hermann Hefele, U. Esser

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Literature 1989

By G. Burkhardt

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From the reviews: "Astronomy and Astrophysics Abstracts has appeared in semi-annual volumes since 1969 and it has already become one of the fundemental publications in the fields of astronomy, astr...

Literature 1989

By G. Burkhardt

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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.