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A Comparison of the Energy Expenditure and Mechanical Efficiency of Boys and Young Men and Some Obervations Upon the Influence of Age and Work Done on the Mechanical Efficiency of Boys

Mina Maria Wolf Lamb

出版	Columbia university, 1942
URL	http://books.google.com.hk/books?id=E9VHAQAAIAAJ&hl=&source=gbs_api