Where can I find information on formwork design?

• AWC's WCD #3. Design of Wood Formwork for Concrete Structures (T13). 1987 NO LONGER IN PRINT. For archival information, contact the AWC Help Desk.
  
  The APA-The Engineered Wood Association published Concrete Forming available for free on their website.
  
  The American Concrete Institute (ACI) published the Guide to Formwork for Concrete available on their website.