@Book{OL25547596M,
    title: {Algorithms – ESA 2011},
    author: {Camil Demetrescu},
    publisher: {Springer-Verlag GmbH Berlin Heidelberg},
    year: {2011},
    place: {Berlin, Heidelberg},
}

@Book{OL4726894M,
    title: {Fundamentals of computer algorithms},
    author: {Ellis Horowitz},
    publisher: {Computer Science Press},
    year: {1978},
    place: {Potomac, Md},
}

@Book{OL3491847M,
    title: {Algorithms},
    author: {Robert Sedgewick},
    publisher: {Addison-Wesley},
    year: {1983},
    place: {Reading, Mass},
}

@Author{OL228319A,
    name: {Robert Sedgewick},
    birth_date: {1946}
}