@conference {elgayyar2018hybrid,
	title = {A Hybrid Grey Wolf-Bat Algorithm for Global Optimization},
	booktitle = {International Conference on Advanced Machine Learning Technologies and Applications},
	year = {2018},
	note = {n/a},
	pages = {3{\textendash}12},
	publisher = {Springer},
	organization = {Springer},
	abstract = {n/a},
	author = {ElGayyar, Mohammed and E. Emary and N.H. Sweilam and Abdelazeem, M.}
}
