TY - RPRT TI - A versatile dual axis programmable stepping motor controller for a personal computer: a specific application and tutorial for implementing a computer-controlled light microscope. AU - W G Tourtellotte PY - 1990 DO - 10.1016/0165-0270(90)90105-o UR - https://pubmed.ncbi.nlm.nih.gov/2283886/ ID - 2283886 ER -