548fmelectronic 1..14
Kenji Kawano, Tsutomu Kitoh
Physics Demystified
Stan Gibilisco
R for Beginners
Emmanuel Paradis
Upgrading to PHP 5
Adam Trachtenberg
forall x: Calgary. An Introduction to Formal Logic
P. D. Magnus & Tim Button & Rob Trueman & Richard Zach
Sets, Logic, Computation: An Open Introduction to Metalogic
Richard Zach & Open Logic Project