EVALUATION OF STAINED AND UNSTAINED ELECTROPHEROGRAMS BY PHOTOACOUSTIC SPECTROSCOPY U. Möller, H.P. Köst, S. Schneider et H. Coufal J. Phys. Colloques, 44 C6 (1983) C6-121-C6-124 DOI: 10.1051/jphyscol:1983618