@article{202007.0232,
	doi = {},
	url = {https://doi.org/},
	year = 2020,
	month = {July},
	publisher = {Preprints},
	author = {Dariusz Knez and Rafał Wiśniowski and Winnie Ampomaa Owusu},
	title = {Proper Grain Diameter Composition Can Transform Useless Domestic Sand into Micro - Proppant for Unconventional Reservoirs in Poland},
	journal = {Preprints}
}