Author

Erik Gregersen

14 books found

Cover of Inner Planets

Inner Planets

Nicholas Faulkner, Erik Gregersen · First published 2018

Cover of Outer Planets

Outer Planets

Nicholas Faulkner, Erik Gregersen · First published 2018

Cover of Britannica Guide to Matter

Britannica Guide to Matter

Erik Gregersen · First published 2011

Cover of Britannica Guide to Particle Physics

Britannica Guide to Particle Physics

Erik Gregersen · First published 2011

Cover of Complete History of Wheeled Transportation

Complete History of Wheeled Transportation

Erik Gregersen · First published 2011

Cover of Sound and light

Sound and light

Erik Gregersen · First published 2011

Cover of Astronomical observations

Astronomical observations

Erik Gregersen · First published 2009 · Latest edition 2010

Cover of Britannica Guide to Analysis and Calculus

Britannica Guide to Analysis and Calculus

Erik Gregersen · First published 2010

Cover of Britannica Guide to the History of Mathematics

Britannica Guide to the History of Mathematics

Erik Gregersen · First published 2010

Cover of Milky Way and Beyond

Milky Way and Beyond

Erik Gregersen · First published 2009 · Latest edition 2010

Cover of Outer solar system

Outer solar system

Erik Gregersen · First published 2009 · Latest edition 2010

Cover of The Britannica guide to statistics and probability

The Britannica guide to statistics and probability

Erik Gregersen · First published 2010

Cover of The universe

The universe

Erik Gregersen · First published 2010

Cover of Unmanned space missions

Unmanned space missions

Erik Gregersen · First published 2009 · Latest edition 2010