TY - RPRT TI - A DOUBLE-BEAM SPECTROPHOTOMETER WITHOUT VIBRATING MIRROR-CHOPPER SYSTEM. AU - T OHNISHI AU - B HAGIHARA AU - K OKUNUKI PY - 1963 DO - 10.1093/oxfordjournals.jbchem.a127786 UR - https://pubmed.ncbi.nlm.nih.gov/14073675/ ID - 14073675 ER -