TY  - RPRT
TI  - The function of echonavigation among swiftlets.
AU  - L Medway
PY  - 1967
DO  - 10.1016/0003-3472(67)90038-3
UR  - https://pubmed.ncbi.nlm.nih.gov/6055094/
ID  - 6055094
ER  -