LASER-INDUCED FLUORESCENCE STUDY OF C2 FROM LASER SPUTTERING OF GRAPHITE AND POLYMERS R.W. DREYFUS, R.E. WALKUP, R. SRINIVASAN and R. KELLY J. Phys. Colloques, 48 C7 (1987) C7-768 DOI: 10.1051/jphyscol:19877191