@article {8143,
	title = {Natural cooling oil flow in disk-type transformer windings with zigzag flow passages},
	journal = {International Journal of Transport Phenomena},
	volume = {7},
	year = {2005},
	pages = {199},
	publisher = {OCP Science},
	isbn = {1028-6578},
	author = {Zhang, Jiahui and Li, Xianguo}
}
