Grego, Peter.
Astronomical Cybersketching Observational Drawing with PDAs and Tablet PCs / [electronic resource] : by Peter Grego. - New York, NY : Springer New York, 2009. - digital. - Patrick Moore's Practical Astronomy Series, 1431-9756 . - Patrick Moore's Practical Astronomy Series, .
9780387853512
10.1007/978-0-387-85351-2 doi
Physics.
Astronomy.
Physics.
Astronomy, Observations and Techniques.
Popular Science in Astronomy.
QB4
520
Astronomical Cybersketching Observational Drawing with PDAs and Tablet PCs / [electronic resource] : by Peter Grego. - New York, NY : Springer New York, 2009. - digital. - Patrick Moore's Practical Astronomy Series, 1431-9756 . - Patrick Moore's Practical Astronomy Series, .
9780387853512
10.1007/978-0-387-85351-2 doi
Physics.
Astronomy.
Physics.
Astronomy, Observations and Techniques.
Popular Science in Astronomy.
QB4
520