H. Brönnimann, G. Melquiond, and S. Pion, A Proposal to add Interval Arithmetic to the C++ Standard Library. JTC1/SC22/WG21 -The C++ Standards Committee, Doc No: N1843=05- 0103, 1843.

H. Brönnimann, G. Melquiond, and S. Pion, The Boost interval arithmetic library

D. Gregor, D. Boost, and . Gregor, Semple Analysis Engine DocumentationSemple/main.html [7] Various authors. Several U.S. patents of interest: #3 Logical and Memory Circuits Utilizing Tri-Level Signals. #3, Three State Memory Device. #3 Three Level Inverter and Latch Circuits. #3 Basic Ternary Logic Circuits. #3 Ternary Latches. #3 Auto-Reset Latches. #3, p.340154922678763764634

. Unité-de-recherche-inria-sophia and . Antipolis, route des Lucioles -BP 93 -06902 Sophia Antipolis Cedex (France) Unité de recherche INRIA Futurs : Parc Club Orsay Université -ZAC des Vignes 4, 2004.

I. Unité-de-recherche and . Lorraine, Technopôle de Nancy-Brabois -Campus scientifique 615, rue du Jardin Botanique -BP 101 -54602 Villers-lès-Nancy Cedex (France) Unité de recherche INRIA Rennes : IRISA, Campus universitaire de Beaulieu -35042 Rennes Cedex (France) Unité de recherche INRIA Rhône-Alpes : 655, avenue de l'Europe -38334 Montbonnot Saint-Ismier (France) Unité de recherche INRIA Rocquencourt, Domaine de Voluceau -Rocquencourt -BP 105 -78153 Le Chesnay Cedex

I. De-voluceau-rocquencourt, BP 105 -78153 Le Chesnay Cedex (France) http://www.inria.fr ISSN, pp.249-6399