October 2019:  Publications in the Data Science Journal

	Title: Different Preservation Levels: The Case of Scholarly Digital Editions Author: Elias Oltmanns, Tim Hasler, Wolfgang Peters-Kottig, Heinz-Günter Kuper URL: http://doi.org/10.5334/dsj-2019-051
	Title: A Method for Extending Ontologies with Application to the Materials Science Domain Author: Huanyu Li, Rickard Armiento, Patrick Lambrix URL: http://doi.org/10.5334/dsj-2019-050
	Title: Analysis of Several Years of DI Magnetometer Comparison Results by the Geomagnetic Network of China and IAGA Author: ufei He, Xudong Zhao , Dongmei Yang, Fuxi Yang, Na Deng, Xijing Li URL: http://doi.org/10.5334/dsj-2019-049