Peter Grego (auth.)

LIBRARY

Astronomical Cybersketching: Observational Drawing with PDAs and Tablet PCs

2009 · ENGLISH · PDF

View details →

LIBRARY

Venus and Mercury, and How to Observe Them

2008 · ENGLISH · PDF

View details →

LIBRARY

Mars and How to Observe It

2012 · ENGLISH · PDF

View details →

Blazing a Ghostly Trail: ISON and Great Comets of the Past and Future

2014 · ENGLISH · PDF

View details →

Mars and how to observe it

2012 · ENGLISH · PDF

View details →

Astronomical Cybersketching: Observational Drawing with PDAs and Tablet PCs

2009 · ENGLISH · PDF

View details →

Astronomical Cybersketching: Observational Drawing with PDAs and Tablet PCs

2009 · ENGLISH · PDF

View details →