: It is often cited as a key text alongside works by Adkins and Krause for advanced electrical machine courses .
: Specific papers related to the development of this theory, such as An analysis of commutation for the unified-machine theory , can be accessed through the IET Digital Library . Related Modern Theories : It is often cited as a key
While the original 1967/1968 editions are rare, you can access the material through several academic and archival platforms: Unified Theory Of Electrical Machines - mchip.net : It is often cited as a key