W. R. Siegfried Books

Antarctic Nutrient Cycles and Food Webs

By P. R. Condy, W. R. Siegfried, SCAR Symposium On Antarctic Biology 4th 1983 Wilderness South Africa

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Compilation of 92 of the 107 papers that were accepted for presentation at the Fourth SCAR Symposium on Antarctic Biology, held at Wilderness, South Africa, 12-16 September 1983. Papers cover nutri...

Keeping the rainbow

By W. R. Siegfried

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Rocky Shores

By W. R. Siegfried

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Levaillant s legacy

By W. R. Siegfried

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Antarctic Nutrient Cycles and Food Webs

By R. M. Laws, P. R. Condy, W. R. Siegfried

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Conservation of ecosystems

By W. R. Siegfried, B. R. Davies

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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.