Patterson, D. W. (1990). Introduction to artificial intelligence and expert systems. Prentice Hall.
Chicago-viite (17. p.)Patterson, Dan W. Introduction to Artificial Intelligence and Expert Systems. Englewood Cliffs, N.J. ; New Delhi: Prentice Hall, 1990.
MLA-viite (8. p.)Patterson, Dan W. Introduction to Artificial Intelligence and Expert Systems. Prentice Hall, 1990.
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