TY  - RPRT
TI  - Differential unit assignments.
AU  - D K Gillespie
PY  - 1966
DO  - 10.1111/j.1746-1561.1966.tb05543.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5175353/
ID  - 5175353
ER  -