TY  - RPRT
TI  - Sensitivity of echolocation in cave swiftlets.
AU  - D R Griffin
AU  - R A Suthers
PY  - 1970
DO  - 10.2307/1540368
UR  - https://pubmed.ncbi.nlm.nih.gov/5494235/
ID  - 5494235
ER  -