|microPLANNER - A subset of PLANNER, implemented in Lisp by Gerald Sussman et al at MIT. Its important features were
goal-oriented, pattern-directed procedure invocation, an
embedded knowledge base, and automatic backtracking.|
microPLANNER was superseded by Conniver.
["microPLANNER Reference Manual", G.J. Sussman et al, AI Memo 203, MIT AI Lab, 1970].