Shipments to the United States

Due to changes in U.S. customs regulations, all shipments to the United States are now subject to customs clearance.
This means that the recipient will be required to pay customs duties, as well as any applicable taxes and fees upon import.
Please also note that delivery may be delayed while the shipment is being processed by U.S. customs.

Releases by Helena Walker

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Cover for Helena Walker · Electric Power Conversion Handbook (Hardcover Book) (2022)

Electric Power Conversion Handbook (2022)

Cover for Helena Walker · Electric Power Engineering: Design, Development and Applications (Hardcover Book) (2017)

Electric Power Engineering: Desi... (2017)

Cover for Helena Walker · Electronic Circuits, Systems and Applications (Hardcover Book) (2016)

Electronic Circuits, Systems and... (2016)

Cover for Helena Walker · Recent Developments in Power and Energy Engineering (Hardcover Book) (2016)

Recent Developments in Power and... (2016)

Cover for Helena Walker · Circuits and Systems: Design and Applications (Volume I) (Hardcover Book) (2015)

Circuits and Systems: Design and... (2015)

Cover for Helena Walker · Circuits and Systems: Design and Applications (Volume Ii) (Hardcover Book) (2015)

Circuits and Systems: Design and... (2015)

Cover for Helena Walker · Circuits and Systems: Design and Applications (Volume Iii) (Hardcover Book) (2015)

Circuits and Systems: Design and... (2015)

Cover for Helena Walker · Circuits and Systems: Design and Applications (Volume Iv) (Hardcover Book) (2015)

Circuits and Systems: Design and... (2015)

Cover for Helena Walker · Circuits and Systems: Design and Applications (Volume V) (Hardcover Book) (2015)

Circuits and Systems: Design and... (2015)

Cover for Helena Walker · Circuits and Systems: Design and Applications (Volume Vi) (Hardcover Book) (2015)

Circuits and Systems: Design and... (2015)