Per anno

@article{logitheorist-tit2,
    apice = {LogitheoristTit2},
    author = {Newell, Allen and Simon, Herbert},
    doi = {10.1109/TIT.1956.1056797},
    issn = {0096-1000},
    journal = {IRE Transactions on Information Theory},
    keywords = {Artificial intelligence;Logic;Automatic programming;Boundary conditions;Circuits;Computational modeling;Computer simulation;Differential equations;Formal languages;Heuristic algorithms;Humans;Information analysis;Information processing;Logic;Nonlinear systems;Pattern recognition;Physics computing;Problem-solving},
    month = sep,
    number = 3,
    pages = {61--79},
    title = {The logic theory machine---{A} complex information processing system},
    volume = 2,
    year = 1956
}