Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Taishin Y. Nishida and Yuji Takada,A note on grammatical inference of slender context-free languages,,,Springer Berlin Heidelberg,1996-01-01,,,,https://cir.nii.ac.jp/crid/1871709543006175232,https://doi.org/10.1007/bfb0033347