Interdependency : Mutually reliant relationship between entities (objects, individuals, or groups). The degree of interdependency does not need to be equal in both directions. (NIPP 2009)
Institute for Crisis, Disaster, and Risk Management (ICDRM), - ICDRM/GWU Emergency Management Glossary of Terms, The George Washington University (GWU), Washington, DC, USA 2010. http://www.gwu.edu/~icdrm/publications/PDF/GLOSSAR Y%20-%20Emergency%20Management%20ICDRM%2030%20JUNE %2010.pdf, (Emr Mgt - Amer) {797}