Electricity and Controls - Hardcover, by Herman Stephen; Sparkman - Acceptable

Electricity and Controls for HVAC by Bennie L. Sparkman and Stephen L. Herman...

Understanding Motor Controls by Herman, Stephen L.; Herman

Electricity and Controls for HVAC-R - paperback Herman, Stephen L.|Sparkman,...

Electricity and Controls for HVAC-R - Paperback By Herman, Stephen L. - GOOD

Electricity & Controls for - Paperback, by Herman Stephen L.; - Acceptable

Electricity and Controls for HVAC R by Stephen Herman

Electricity & Controls for HVAC-R by Herman, Stephen L.