@article{201901.0055,
	doi = {10.20944/preprints201901.0055.v1},
	url = {https://doi.org/10.20944/preprints201901.0055.v1},
	year = 2019,
	month = {January},
	publisher = {Preprints},
	author = {Jian Xing and Yan-yan Cheng and Zhuo Yi},
	title = {The Effect of Swinging Ball Heads with Different Arrangements in Multi-Point Stretch Forming Process},
	journal = {Preprints}
}