Studies In Voluntary Muscular Contraction ...

Part 1.--Some Forms Of Apparatus Devised For Ergographic Research. Part Ii.--Further Observations Upon The Normal Daily Variation In The Power Of Voluntary Musc... » 

Part 1.--Some Forms Of Apparatus Devised For Ergographic Research. Part Ii.--Further Observations Upon The Normal Daily Variation In The Power Of Voluntary Muscular Contraction, Part 1 «