%0 Journal Article %T Fabrication Of Aspheric Germanium-Lens Surfaces By Ion Milling %A Podzimek, O %A Beckmann, L H. %A Brok, J A. %J Proceedings of SPIE %V 655 %P 367-371 %@ 0277-786X %D 1986-10-31 %I SPIE %~ DeepDyve