Tom Fenchel Books

Bacterial Biogeochemistry: The Ecophysiology of Mineral Cycling

By Tom Fenchel

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Bacteria and mineral cycling

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The Origin and Early Evolution of Life

By Tom Fenchel

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The Origin and Early Evolution of Life

By Tom Fenchel

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Ecology and Evolution in Anoxic Worlds

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Ecology and Evolution in Anoxic Worlds

By Tom Fenchel

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This is a book about the natural history of oxygen-free environments and their microbial inhabitants. Life originated in the pre-oxic world, and anoxic conditions still persist in many places on Ea...

Ecology of protozoa

By Tom Fenchel

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Ecology of Protozoa

By Tom Fenchel

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Ecology of Protozoa

By Genoveva F. Esteban, Tom Fenchel

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Ecology of Protozoa

By Tom M. Fenchel

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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.