TY  - JOUR
T1  - Man's Mechanical Efficiency in Work Performance and the Cost of the Movements Involved: (Treated Separately)
JF  - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934)
VL  - 89
IS  - 618
SP  - 394
EP  - 410
PY  - 1917/01/01/
UR  - http://dx.doi.org/10.1098/rspb.1917.0001
M3  - doi:10.1098/rspb.1917.0001
AU  - Macdonald, J.
ER  -