Sum of Wigner coefficients and their graphical representation, I. B. Levinson, ``Proceed. Phys-Tech Inst. Acad Sci. Lithuanian SSR 2, 17-30 (1956)
Applications of negative dimensional tensors, Roger Penrose, in Combinatorial Mathematics and its Applications, Academic Press (1971)
Hamiltonian formulation of Wilson's lattice gauge theories, John Kogut(英語:John Kogut) and Leonard Susskind, Phys. Rev. D 11, 395–408 (1975)
The lattice gauge theory approach to quantum chromodynamics, John B. Kogut(英語:John Kogut), Rev. Mod. Phys. 55, 775–836 (1983) (see the Euclidean high temperature (strong coupling) section)
Duality in field theory and statistical systems, Robert Savit, Rev. Mod. Phys. 52, 453–487 (1980) (see the sections on Abelian gauge theories)
Modern papers:
Spin Networks and Quantum Gravity, Carlo Rovelli and Lee Smolin, Physical Review D 53, 5743 (1995); gr-qc/9505006.
The dual of non-Abelian lattice gauge theory, Hendryk Pfeiffer and Robert Oeckl, hep-lat/0110034.
Exact duality transformations for sigma models and gauge theories, Hendryk Pfeiffer, hep-lat/0205013.
Generalized Lattice Gauge Theory, Spin Foams and State Sum Invariants, Robert Oeckl, hep-th/0110259.
Spin Networks in Gauge Theory, John C. Baez, Advances in Mathematics, Volume 117, Number 2, February 1996, pp. 253–272.
Quantum Field Theory of Many-body Systems – from the Origin of Sound to an Origin of Light and Fermions, Xiao-Gang Wen, [1]. (Dubbed string-nets here.)
A Spin Network Primer, Seth A. Major, American Journal of Physics, Volume 67, 1999, gr-qc/9905020.
Pre-geometry and Spin Networks. An introduction. [2].
Books:
Diagram Techniques in Group Theory, G. E. Stedman, Cambridge University Press, 1990