title: [A biwave differential spectrophotometer for studying photobiologic processes].
mesh_terms: D010777:Photochemistry / Q000295:instrumentation*; D013053:Spectrophotometry / Q000295:instrumentation*
vernacular_title: Dvukhvolnovoĭ differentsisl'nyi spektrofotomertr dlia izucheniia fotobiologicheskikh protsessov.