@article{Koenig:91,
 author = {S. Koenig},
 title = {Agent-centered search},
 journal = {AI Magazine},
 volume = {22},
 number = {4},
 year = {2001},
 issn = {0738-4602},
 pages = {109--131},
 publisher = {American Association for Artificial Intelligence},
 address = {Menlo Park, CA, USA},
}