Heart Rate Training Customize Your Training Based On Individual Data And Goals 2Nd Edition by Roy Benson; Declan Connolly 2 edition (Dec 6 2019) Language:English –

Author(s): Roy Benson; Declan Connolly 2 edition (Dec 6 2019) Language:English ISBN-10:1492590223 ISBN-13:978-1492590224

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