ABC-CLIO in 1969: ABC stands for American Bibliographical Center and CLIO Press is named after Clio, the muse of history from ancient Greek mythology. According to Boehm, he had always been interested in history so when he noticed that there were not many good historical abstracting services available, he started publishing the "Historical Abstracts". During the 1960s, a sister bibliographic and abstract publication on American history was added, "America: History and Life", which was considered an award-winning title. The company entered into digital publishing with electronic data in the 1960s and in 1975, it published its first online database called "DIALOG".
Ancient Greek phonology "x" from "k" and "s", and "ps" from "p" and "s". There are four unchangeable [consonants]: "l, m, n, r". They are called unchangeable because they do not change in the future [tense]s of verbs and in the declensions of nouns. They are also called liquids. Ancient Greek phonology Ancient Greek phonology is the description of the reconstructed phonology or pronunciation of Ancient Greek. This article mostly deals with the pronunciation of the standard Attic dialect of the fifth century BC, used by Plato and other Classical Greek writers, and touches on other dialects spoken at the same time or