TY - RPRT TI - A four-channel multiplexer for the point plotter (Houston Instruments Model 6550). AU - H Bakema AU - W J van Loenen AU - P van Urk PY - 1974 DO - 10.1007/bf02477802 UR - https://pubmed.ncbi.nlm.nih.gov/4466988/ ID - 4466988 ER -