@inproceedings{Lamping:1989:AOL:96709.96711,
    Address = {New York, NY, USA},
    Author = {Lamping, John},
    BookTitle = {Proceedings of the 17th ACM SIGPLAN-SIGACT symposium on Principles of programming languages},
    File = {An algorithm for optimal lambda calculus reduction - Lamping (0) (0) - a - a - p.pdf},
    ISBN = {0-89791-343-4},
    Keywords = {graph reduction},
    Location = {San Francisco, California, USA},
    Pages = {16--30},
    Publisher = {ACM},
    Series = {POPL '90},
    Title = {An algorithm for optimal lambda calculus reduction},
    URL = {http://doi.acm.org/10.1145/96709.96711},
    Year = {1990},
    acmid = {96711},
    bdsk-url-1 = {http://doi.acm.org/10.1145/96709.96711},
    bdsk-url-2 = {http://dx.doi.org/10.1145/96709.96711},
    date-added = {2013-07-01 15:19:39 +0000},
    date-modified = {2013-07-01 15:19:44 +0000},
    numpages = {15},
    doi = {10.1145/96709.96711}
}

@inproceedings{Lamping:1989:AOL:96709.96711, Address = {New York, NY, USA}, Author = {Lamping, John}, BookTitle = {Proceedings of the 17th ACM SIGPLAN-SIGACT symposium on Principles of programming languages}, File = {An algorithm for optimal lambda calculus reduction - Lamping (0) (0) - a - a - p.pdf}, ISBN = {0-89791-343-4}, Keywords = {graph reduction}, Location = {San Francisco, California, USA}, Pages = {16--30}, Publisher = {ACM}, Series = {POPL '90}, Title = {An algorithm for optimal lambda calculus reduction}, URL = {http://doi.acm.org/10.1145/96709.96711}, Year = {1990}, acmid = {96711}, bdsk-url-1 = {http://doi.acm.org/10.1145/96709.96711}, bdsk-url-2 = {http://dx.doi.org/10.1145/96709.96711}, date-added = {2013-07-01 15:19:39 +0000}, date-modified = {2013-07-01 15:19:44 +0000}, numpages = {15}, doi = {10.1145/96709.96711} }