TY  - JOUR
T1  - On the Efficiency of Muscular Work
JF  - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934)
VL  - 90
IS  - 627
SP  - 199
EP  - 214
PY  - 1918/06/01/
UR  - http://dx.doi.org/10.1098/rspb.1918.0010
M3  - doi:10.1098/rspb.1918.0010
AU  - Greenwood, M.
ER  -