@article {IOPORT.50331642,
    author       = {Walker, Henry Mackay},
    title        = {Reading and class work},
    year         = {2007},
    journal      = {SIGCSE Bulletin},
    volume       = {39},
    number       = {2},
    pages        = {13-14},
    doi          = {10.1145/1272848.1272858},
    identifier   = {50331642},
}