@article{202103.0042,
	doi = {10.20944/preprints202103.0042.v1},
	url = {https://doi.org/10.20944/preprints202103.0042.v1},
	year = 2021,
	month = {March},
	publisher = {Preprints},
	author = {Newton Huamaní   Castro},
	title = {Determination of the modulus of elasticity using a Smartphone and
mode of unsupport beam Euler-Bernoulli},
	journal = {Preprints}
}