THE E1 - E1 + Δ1 TRANSITIONS IN BULK GROWN AND IN IMPLANTED LASER ANNEALED HEAVILY DOPED GERMANIUM : LUMINESCENCE G. Contreras, A. Compaan, J. Wagner, M. Cardona et A. Axmann J. Phys. Colloques, 44 C5 (1983) C5-55-C5-59 DOI: 10.1051/jphyscol:1983507