@article{jbp:/content/journals/10.1075/lplp.40.2.08fis, author = "Fischer, Rudolf-Josef", title = "Hermann M. Ölberg. Aufsätze zur Interlinguistik und Esperantologie.", journal= "Language Problems and Language Planning", year = "2016", volume = "40", number = "2", pages = "226-229", doi = "https://doi.org/10.1075/lplp.40.2.08fis", url = "https://www.jbe-platform.com/content/journals/10.1075/lplp.40.2.08fis", publisher = "John Benjamins", issn = "0272-2690", type = "Journal Article", }