@article {70738,
	title = {Influence of Smoothing Length and Virtual Particles on SPH Accuracy},
	journal = {IJMMM},
	volume = {1},
	year = {2013},
	pages = {166-170},
	author = {Essam E. Khalil and Tarek M ElGamal and Hatem Haridy and Essam AbouSerie}
}
