TY  - RPRT
TI  - Why bats hang upside down: a biomechanical hypothesis.
AU  - D J Howell
AU  - J Pylka
PY  - 1977
DO  - 10.1016/0022-5193(77)90371-x
UR  - https://pubmed.ncbi.nlm.nih.gov/607024/
ID  - 607024
ER  -