TY  - RPRT
TI  - A simple, inexpensive, and precise magic angle spinning speed controller.
AU  - Eric Hughes
AU  - Terry Gullion
PY  - 2004
DO  - 10.1016/s0926-2040(03)00063-8
UR  - https://pubmed.ncbi.nlm.nih.gov/15157535/
ID  - 15157535
ER  -