TY  - RPRT
TI  - Linear and skip-branching programmes: a comparison study.
AU  - J Hartley
PY  - 1965
DO  - 10.1111/j.2044-8279.1965.tb01820.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5892269/
ID  - 5892269
ER  -