TY  - RPRT
TI  - Professional profile: Michael Schaffer.
AU  - M Schaffer
PY  - 1987
DO  - 10.1111/j.1746-1561.1987.tb00542.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3647194/
ID  - 3647194
ER  -