@book{https://authors.library.caltech.edu/records/93bgm-xkd21,
    author = "Filippidis, Ioannis and Holzmann, Gerard J.",
    title = "An Improvement of the Piggyback Algorithm for Parallel Model Checking",
    year = "2014",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20140804-125108488",
    id = "https://authors.library.caltech.edu/records/93bgm-xkd21",
    isbn = "978-1-4503-2452-6",
    doi = "10.1145/2632362.2632375",
    pages = "48-57"
}