@article{201806.0148,
	doi = {10.20944/preprints201806.0148.v1},
	url = {https://doi.org/10.20944/preprints201806.0148.v1},
	year = 2018,
	month = {June},
	publisher = {Preprints},
	author = {Keith C. Afas},
	title = {Normal Calculus on Moving Surfaces},
	journal = {Preprints}
}