TY  - RPRT
TI  - Induced demand--can we ever know its extent?
AU  - C E Phelps
PY  - 1986
DO  - 10.1016/0167-6296(86)90010-x
UR  - https://pubmed.ncbi.nlm.nih.gov/10282335/
ID  - 10282335
ER  -