@article{Fister2013HybridBatAlgorithm,
 author = {Fister Jr., Iztok and Fister, Du{\v{s}}an and Yang, Xin-She},
 journal = {Elektrotehni\v{s}ki vestnik},
 number = {1-2},
 pages = {1--7},
 title = {A Hybrid Bat Algorithm},
 volume = {80},
 year = {2013}
}