@ARTICLE{Moli27:Application,
AUTHOR="E. C. Molina",
TITLE="Application of the Theory of Probability to Telephone Trunking
Problems",
JOURNAL=bstj,
VOLUME=6,
PAGES="461-494",
YEAR=1927,
KEYWORDS="Traffic engineering",
}

@ARTICLE{Vaul27:Extension,
AUTHOR="E. Vaulot",
TITLE="Extension des formules d'Erlang au Cas où les Durées des
Conversations Suivent une Loi Quelconque",
JOURNAL="Revue Générale de l'Electricité",
ADDRESS="France",
VOLUME=22,
PAGES="1164-1171",
YEAR=1927,
LANGUAGE="French",
KEYWORDS="Erlang B formula",
ABSTRACT="Insensitivity;",
}

@TECHREPORT{Moe27:BUSY,
AUTHOR="K. Moe",
TITLE="Busy up to Date",
INSTITUTION="KTAS",
ADDRESS="Copenhagen, Denmark",
PAGES=7,
MONTH=oct,
YEAR=1927,
KEYWORDS="Traffic engineering",
}