Spencer-Brown, G. Laws of form / [electronic resource] / G. Spencer Brown.. — New York : : Dutton,, c1979.. — xxx, 141 p. : : ill. ; 21 cm.
"A Dutton paperback." Includes index.
Bibliography: p. 136-137.
0525475443 9780525475446
78070257
Logic, Symbolic and mathematical.
QA9 / .S63 1979
511/.3