00486nam a2200169Ia 4500003000900000008004100009020001800050040001600068080001500084100001800099245008600117260002800203300001500231650002100246650002800267700002100295IN-BaIIA211028s9999    xx            000 0 eng d  a0-434-54752-6  cIIA Library  a535.1bRON  aRonchi, Vasco 4aThe Nature of lightban historical surveycVasco Ronchi; translated by V. Barocas  aLondonbHeinemannc1970  axii, 288p.  aLight-Historical  aLight-Visible Radiation  aBarocas, V., tr.