Amazon.com: Maxell 638006 DVD-R 4.7 Gb Spindle with 2 Hour Recording Time and Superior Recording Layer Technology with 100 Year Archival Life : Electronics
Difference Between DVD-R and DVD+R | Difference Between
DVD R vs DVD RW - Difference and Comparison | Diffen
Solved] What is the Difference between DVD+R and DVD-R Formats
What are DVD-R discs? An explanation of how DVD-Rs work and their specifications
What does the "RW" logo mean in a DVD+R? - Super User