Tertiary Sources Tertiary sources are publications that summarize and digest the information in primary and secondary sources to provide background on a topic, idea, or event. Encyclopedias and biographical dictionaries are prime examples of tertiary sources.
From Wikipedia, the free encyclopedia. A value-added service (VAS) is a popular telecommunications industry term for non-core services, or in short, all services beyond standard voice calls and fax transmissions. However, it can be used in any service industry, for services available at little or no cost, to promote their primary business.
Formed in 1968, The Vermont Archaeological Society (VAS) is a volunteer organization comprised of professional and avocational archaeologists and the interested public. The Society is committed to raising the awareness of Vermontâs past, while at the same time protecting its valuable cultural resources from injury and exploitation. The Vermont Archaeological Society embraces the interests of prehistoric, historic, underwater, and industrial archaeology.