[Methods to restore the efficiency of photocolorimeters].
D003124:Colorimetry / Q000295:instrumentation*; D004526:Efficiency; D004581:Electronics / Q000295:instrumentation; D010783:Photometry / Q000295:instrumentation*; D014586:USSR
Nekotorye sposoby vosstanovleniia rabotsoposobnosti fotokolorimetrov.