TY - RPRT TI - Nulling Interferometry: Working on the Dark Fringe AU - Serabyn, E. AU - Wallace, J. AU - Nguyen, H. AU - Schmidtlin, E. AU - Hardy, G. PY - 1999 UR - https://ntrs.nasa.gov/citations/20060040835 ID - 20060040835 ER -