TY  - RPRT
TI  - Field verification methodology using bar coding to record data.
AU  - H C Bock
PY  - 1993
DO  - 10.1016/s0196-0644(05)80254-9
UR  - https://pubmed.ncbi.nlm.nih.gov/8424619/
ID  - 8424619
ER  -