TY  - RPRT
TI  - How to recognize a foreign submarine.
AU  - K Kärre
PY  - 1997
DO  - 10.1111/j.1600-065x.1997.tb00935.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9059878/
ID  - 9059878
ER  -