https://archive.org/download/springer_10.1007-978-3-540-24746-3
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https://studylib.net/doc/27704347/ufc-3-540-01-2014-c3
Engine Generator Systems Design Criteria | UFC 3-540-01
UFC 3-540-01: Design and installation criteria for engine-driven generator systems for prime and standby power applications. Engineering standards included.
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