TY  - RPRT
TI  - Output factors for blocked fields.
AU  - J A Mills
AU  - Q A Tran
PY  - 1993
DO  - 10.1259/0007-1285-66-781-91-a
UR  - https://pubmed.ncbi.nlm.nih.gov/8428260/
ID  - 8428260
ER  -