TY  - RPRT
TI  - Technical note. An inexpensive servo-controlled "wedge".
AU  - R H Carpenter
PY  - 1974
DO  - 10.1016/0042-6989(74)90225-9
UR  - https://pubmed.ncbi.nlm.nih.gov/4428635/
ID  - 4428635
ER  -