@incollection{Fister2014OnRandomized,
 author = {Fister, Iztok and Yang, Xin-She and Brest, Janez and Fister Jr., Iztok},
 booktitle = {Cuckoo Search and Firefly Algorithm},
 pages = {27--48},
 publisher = {Springer},
 title = {On the randomized firefly algorithm},
 year = {2014}
}