3D: The next generation near-infrared imaging spectrometer L. Weitzel, A. Krabbe, H. Kroker, N. Thatte, L. E. Tacconi-Garman, M. Cameron and R. Genzel Astron. Astrophys. Suppl. Ser., 119 3 (1996) 531-546 Published online: 15 November 1996 DOI: 10.1051/aas:1996266