Bilaketaren emaitzak - Springer ; Praxis Pub.,

State of the Universe 2008 new images, discoveries and events / nork Ratcliffe, Martin

“...Springer ; Praxis Pub.,...”
An electronic book accessible through the World Wide Web; click to view

The search for life continued planets around other stars / nork Jones, Barrie William

“...Springer ; In association with Praxis Pub.,...”
An electronic book accessible through the World Wide Web; click to view