TY - RPRT TI - An inexpensive, programmable, electromechanical commutator. AU - D E Moss AU - D D Avery PY - 1971 DO - 10.1016/0031-9384(71)90122-3 UR - https://pubmed.ncbi.nlm.nih.gov/5167163/ ID - 5167163 ER -