Minimization of ±1 matrices under line shifts Thomas A. Brown; Joel H. Spencer — 1971 Colloquium Mathematicae
The tenacity of zero-one laws. Spencer, Joel H.; St.John, Katherine — 2001 The Electronic Journal of Combinatorics [electronic only]
Intensionally complemented distributive lattices Belnap, Nuel D. jr.; Spencer, Joel H. — 1966 Portugaliae mathematica