Ludwik Kowalski's summary of paper by Szpak et al: http://blake.montclair.edu/~kowalskil/cf/250szpak.html
- Kowalski's summary of paper by Szpak et al Harry Veeder
- Re: Kowalski's summary of paper by Szpak et al Jones Beene
- Re: Kowalski's summary of paper by Szpak et al Steven Krivit
- Photo-lattice converter Jones Beene
- Re: Kowalski's summary of paper by Szpak et al Terry Blanton
