@article {ChGi10,
	title = {Policy gradient learning for quadruped soccer robots},
	journal = {Robotics and Autonomous Systems},
	volume = {58},
	number = {7},
	year = {2010},
	note = {ISSN: 0921-8890},
	pages = {872{\textendash}878},
	publisher = {Elsevier, Amsterdam Netherlands},
	doi = {10.1016/j.robot.2010.03.008},
	author = {Andrea Cherubini and Francesca Giannone and Luca Iocchi and Daniele Nardi and Pier F. Palamara}
}
