ONE OF THE BEST ARTICALS WE HAVE FOUND ON PROFESSIONAL DUPLICATION. There are a large number of other tutorial or evaluation articles on this site.
http://www.execulink.com/~impact/duping.htm		 Free test patterns created for professionals:
http://www.execulink.com/~impact/utes_imp.htm
For technical video & audio articles:
http://www.execulink.com/~impact/tutr_imp.htm		 List of which countries use which standard:
http://www.execulink.com/~impact/world_television_standards2.htm

PME Products:  Steve Price is one of the most valued consultants within the Video Tape Industry. Technical schematics and product info is available at this site.

http://www.collinmanufacturing.com/index.html

Wedding Event Photographers Assoc.


http://www.weva.com/index.shtml

Sony Parts Finder:
http://bpcparts.sel.sony.com/SonyBPCPartsWebApp80/Home.html		 Ono to One Monthly Article:
http://www.oto-online.com/current_issue/index.html
Ono to One Home Page:
http://www.oto-online.com/NewsHome.htm		 Good Publication:
http://www.tapediscbusiness.com/current.htm
My Mom's Favorite:
http://www.oto-online.com/jul98/used_equipment.html		 Informative DVD site:
http://www.dvdforum.org/forum.shtml
Guide to Shrink Wrappers:
http://www.kpak.com/shrink_wrap_systems/system_01_details.html 		IRMA:
http://www.recordingmedia.org/