TY  - RPRT
TI  - An improvised depth gauge using a hypodermic needle.
AU  - G D Smith
AU  - R Moreno
PY  - 2005
DO  - 10.1142/s0218810405002620
UR  - https://pubmed.ncbi.nlm.nih.gov/16106514/
ID  - 16106514
ER  -