TY  - RPRT
TI  - Optimal external power or efficiency?
AU  - D Burkhoff
AU  - K Sagawa
PY  - 1988
DO  - 10.1152/ajpheart.1988.255.5.h1263
UR  - https://pubmed.ncbi.nlm.nih.gov/3189584/
ID  - 3189584
ER  -