# #Mon Aug 09 11:41:20 CEST 2010 Text__NLtesKOaEd-WfYQ0GneCwQ_text=
Isaac Newton, Philosophiae Naturalis Principia Mathematica, Part 1
Isaac Newton, Philosophiae Naturalis Principia Mathematica, Part 2
Isaac Newton, Philosophiae Naturalis Principia Mathematica, Part 3.1
Isaac Newton, Philosophiae Naturalis Principia Mathematica, Part 3.2
Text__NLtesKOaEd-WfYQ0GneCwQ_title=Sound Waves Sound Particles