Helmut Lammer Books

Milabs

By Helmut Lammer, Marion Lammer

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Characterizing Stellar and Exoplanetary Environments

By Helmut Lammer, Maxim Khodachenko

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In this book an international group of specialists discusses studies of exoplanets subjected to extreme stellar radiation and plasma conditions. It is shown that such studies will help us to unders...

Characterizing Stellar and Exoplanetary Environments

By Helmut Lammer, Maxim Khodachenko

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Planetary aeronomy

By Siegfried J. Bauer, Siegfried Bauer

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Planetary Aeronomy

By Siegfried J. Bauer, Helmut Lammer

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Origin and evolution of planetary atmospheres

By H. Lammer

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Based on the author’s own work and results obtained by international teams he coordinated, this SpringerBrief offers a concise discussion of the origin and early evolution of atmospheres of terrest...

Origin and Evolution of Planetary Atmospheres

By Helmut Lammer

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Schwarze Forschungen. Geheime Versuche unter Ausschluss der Offentlichkeit.

By Helmut Lammer, Marion Lammer

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Het geheimboek UFO

By Sidla Oliver Lammer Helmut

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The Delivery of Water to Protoplanets Planets and Satellites

By Alessandro Morbidelli, Keiko Hamano, Paul Estrada, Yann Alibert, Helmut Lammer, Lindy Elkins Tanton, Michel Blanc, Sean Raymond, Maria Schonbachler

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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.