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Hjelm, Johan.

Overview

Works:	1 works in 2 publications in 1 languages

Titles

Creating location services for the wireless Web :professional developer's guide / by: Hjelm, Johan. (Language materials, printed)

Local positioning systems :LBS applications and services / by: Hjelm, Johan.; Kolodziej, Krzysztof W. (Language materials, printed)

Subjects

Geographic information systems. Cellular telephone systems. Electric annunciators. Wireless Application Protocol (Computer network protocol) Automatic tracking. Radio direction finders. Web site development. Electronic surveillance. Buildings. Mobile robots.

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