@article{202101.0449,
	doi = {10.20944/preprints202101.0449.v1},
	url = {https://doi.org/10.20944/preprints202101.0449.v1},
	year = 2021,
	month = {January},
	publisher = {Preprints},
	author = {Martin Kröger and Reinhard Schlickeiser},
	title = {Forecast for the second Covid-19 wave based on the improved SIR model with a constant ratio of recovery to infection rate},
	journal = {Preprints}
}