RAMAN SCATTERING INDUCED BY UNDOPED AND DOPED POLYPARAPHENYLENE S. Krichene, S. Lefrant, G. Froyer, F. Maurice et Y. Pelous J. Phys. Colloques, 44 C3 (1983) C3-733-C3-736 DOI: 10.1051/jphyscol:19833144