@Book{OL24094371M,
    title: {Switch},
    author: {Chip Heath},
    publisher: {Broadway Books},
    year: {2010},
    place: {New York},
}

@Book{OL898194M,
    title: {Air disaster},
    author: {Macarthur Job},
    publisher: {Aerospace Publications},
    year: {1994},
    place: {Weston Creek, ACT},
}

@Book{OL24896603M,
    title: {Crucial conversations},
    author: {Kerry Patterson and Joseph Grenny and Ron McMillan and Al Switzler and Stephen R. Covey},
    publisher: {McGraw-Hill},
    year: {2012},
    place: {New York},
}

@Author{OL2636524A,
    name: {Kerry Patterson},
    birth_date: {1946}
}
@Author{OL2636525A,
    name: {Joseph Grenny},
}
@Author{OL2636526A,
    name: {Ron McMillan},
}
@Author{OL2636527A,
    name: {Al Switzler},
}
@Author{OL383159A,
    name: {Stephen R. Covey},
    birth_date: {October 24, 1932}
    , death_date: {July 16, 2012}
}