TY  - RPRT
TI  - Textbooks -- a new approach.
AU  - A Marcus
AU  - H Hall
AU  - R M Harden
PY  - 1975
DO  - 10.1111/j.1365-2923.1975.tb01943.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1203208/
ID  - 1203208
ER  -