TY - RPRT TI - A microprocessor computer program. An aid to the International System of Units. AU - S Ramanathan AU - J Chalon AU - H Turndorf PY - 1980 DO - 10.1001/jama.244.2.165 UR - https://pubmed.ncbi.nlm.nih.gov/7382075/ ID - 7382075 ER -