European Federation of National Maintenance Societies. EFNMS.org. [5 August 2016]. (原始內容存檔於2002-09-26). All actions which have the objective of retaining or restoring an item in or to a state in which it can perform its required function. The actions include the combination of all technical and corresponding administrative, managerial, and supervision actions.
Airworthiness Manual, Doc 9760 3. Montreal (Canada): 國際民用航空組織. 2014: 375 [2019-02-12]. ISBN 978-92-9249-454-4. (原始內容存檔於2018-09-01). The Airworthiness Manual (Doc 9760) contains a consolidation of airworthiness-related information previously found in other ICAO documents ... provides guidance to States on how to meet their airworthiness responsibilities under the Convention on International Civil Aviation. This third edition is presented based on States' roles and responsibilities, thus as State of Registry, State of the Operator, State of Design and State of Manufacture. It also describes the interface between different States and their related responsibilities. It has been updated to incorporate changes to Annex 8 to the Chicago Convention — Airworthiness of Aircraft, and to Annex 6 — Operation of Aircraft
Horie, Charles Velson. Materials for Conservation: Organic Consolidants, Adhesives and Coatings 2nd. Butterworth-Heinemann. 2010. ISBN 978-0-75-066905-4.