Chain-complete posets and directed sets with applications

Hans Becker, Frank Schmidt, et al.

Photomask and Next-Generation Lithography Mask Technology 2004

S.F. Fan, W.B. Yun, et al.

Proceedings of SPIE 1989

Michael Ray, Yves C. Martin

Proceedings of SPIE - The International Society for Optical Engineering

R.A. Brualdi, A.J. Hoffman

Linear Algebra and Its Applications