DVD-R vs. DVD+R vs. DVD-RW vs. DVD+RW, What's the Difference?
DVD+R and DVD-R; What was that about? - YouTube
DVD+R and DVD-R to copy video and play back on DVD players
Cuál es la diferencia entre R DVD RW y DVD? / Seabrookewindows.com
What's the difference between DVD+r, DVD-r and DVD+rw and which of the three should I choose to store photos in ? Also in order to store the photos in one of them,
DVD-R vs. DVD+R vs. DVD-RW vs. DVD+RW, What's the Difference?