@book{9987,
	author = {Kayser, H.},
	title = {Lehrbuch der Physik für Studierende /},
	publisher = {F. Enke,},
	year = {c1900.},
	address = {Stuttgart :},
	edition = {2. verb. Aufl. ...},
	url = {http://catalog.hathitrust.org/api/volumes/oclc/39615949.html}
}