Krzysztof Birkenmajer Books

50 lecie krakowskiej placowki geologicznej Polskiej Akademii Nauk 1954 2004

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Outline of the history of the Cracow geological laboratory, scientific research and the bibliography of the scientific staff of the Cracow geological laboratory, Polish Academy of Sciences, 1954-2004.

Geology of the Pieniny Klippen Belt and the Tatra Mts. Cartathians

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Tectonics of the Scotia Arc Antarctica

By Constantino Mpodozis, Ian W. D. Dalziel, Michael R. A. Thomson, Krzysztof Birkenmajer, Victor A. Ramos

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Przewodnik geologiczny po pieninskim pasie skalkowym

By Krzysztof Birkenmajer

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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.