@INPROCEEDINGS{8473458,  author={R. {Kobayashi} and P. {Kawamoto}},  booktitle={2018 IEEE International Congress on Internet of Things (ICIOT)},  title={On the Development of a Customizable Crowd Sensing System for Public Spaces Using IoT Cloud Services},   year={2018},  volume={},  number={},  pages={176-179},  doi={10.1109/ICIOT.2018.00033},  ISSN={},}

@ONLINE{cryptolib, 
	title={Arduino Cryptography Library},
	url={https://rweather.github.io/arduinolibs/crypto.html},
	urldate={2020-04-03},
	year={2018},
}

@ONLINE{HTU21D, 
	title={HPC199-3 HTU21D(F) Sensor Datasheet},
	author={Measurement Specialties, Inc},
	url={https://cdn-shop.adafruit.com/datasheets/1899_HTU21D.pdf},
	urldate={2020-04-03},
	year={2013},
}

@ONLINE{SI7021, 
	title={Si7021-A20 Sensor Datasheet Rev. 1.2},
	author={Silicon Laboratories Inc.},
	url={https://www.silabs.com/documents/public/data-sheets/Si7021-A20.pdf},
	urldate={2020-04-03},
	year={2016},
}

@ONLINE{HDC2080, 
	title={HDC2080 Sensor Datasheet},
	author={Texas Instruments},
	url={https://www.ti.com/lit/ds/symlink/hdc2080.pdf},
	urldate={2020-04-03},
	year={2019},
}

@ONLINE{BME280, 
	title={BME280 Sensor Datasheet},
	author={Bosch Sensortec},
	url={https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf},
	urldate={2020-04-03},
	year={2018},
}

@ONLINE{MQ135, 
	title={MQ-135 GAS SENSOR Technical Data},
	url={https://www.olimex.com/Products/Components/Sensors/Gas/SNS-MQ135/resources/SNS-MQ135.pdf},
	urldate={2020-04-03},
}

@ONLINE{CCS811, 
	title={CCS811 Datasheet},
	author={ams AG},
	url={https://cdn-shop.adafruit.com/product-files/3566/3566_datasheet.pdf},
	urldate={2020-04-03},
	year={2016},
}

@ONLINE{SGP30, 
	title={SGP30 Datasheet},
	author={Sensirion AG},
	url={https://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/9_Gas_Sensors/Datasheets/Sensirion_Gas_Sensors_SGP30_Datasheet.pdf},
	urldate={2020-04-03},
	year={2019},
}



