TY  - RPRT
TI  - THE OBSERVER AND HIS ERRORS.
AU  - M L ABERCROMBIE
PY  - 1964
DO  - 10.1016/0022-3999(64)90036-4
UR  - https://pubmed.ncbi.nlm.nih.gov/14242380/
ID  - 14242380
ER  -