Hydra - Kitt Peak Multi-Object Spectroscopic System Barden, S. C. ; Armandroff, T. ; Massey, P. ; Groves, L. ; Rudeen, A. C. ; Vaughnn, D. ; Muller, G. Abstract Publication: Fiber Optics in Astronomy II Pub Date: January 1993 Bibcode: 1993ASPC...37..185B