Dear mario, lyx users this my physics book pdf and source code for free (gpl): - by lyx 2.2.1 - with image svg. - local layout for law and theor.
pdf https://sourceforge.net/projects/ohodquizgame/files/Books/physics.pdf/download source code https://sourceforge.net/projects/ohodquizgame/files/Books/physics2.2.1.zip/download best regards
