1
Electricity generation using wind power / [E-Book]
Other Personal Name(s): ...Shepherd, W....

Full text 
2
Problems and solutions : energy studies /
Book
Other Personal Name(s): ...Shepherd, D. W....
Table of Contents 
3
Energy studies /
Book
Other Personal Name(s): ...Shepherd, W....
Table of Contents 
4
Energy flow and power factor in nonsinusoidal circuits /
Book
Other Personal Name(s): ...Shepherd, W....