TY - BOOK AU - Klahr,David,ed AU - Langley,Pat,ed AU - Neches,Robert,ed TI - Production system models of learning and development SN - 0262111144 U1 - 153 PY - 1987/// CY - Cambridge PB - M.I.T. Press KW - Learning, Psychology of KW - Cognition KW - Human information processing N1 - Includes index ER -