Joshi, Aravind; S. R. Kosaraju; H. Yamada (1969). "String Adjunct Grammars" (Document). Proceedings Tenth Annual Symposium on Automata Theory, Waterloo, Canada.
Joshi, Aravind K.; Kosaraju, S. Rao; Yamada, H. M. (1972), "String Adjunct Grammars: I. Local and Distributed Adjunction", Information and Control, 21 (2): 93–116, doi:10.1016/S0019-9958(72)90051-4
Joshi, Aravind K.; Kosaraju, S. Rao; Yamada, H. M. (1972), "String Adjunct Grammars: II. Equational Representation, Null Symbols, and Linguistic Relevance", Information and Control, 21 (3): 235–260, doi:10.1016/S0019-9958(72)80005-6