Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Ambos-Spies, K. (Klaus) and Müller, G. H. (Gert Heinz) and Sacks, Gerald E.","Recursion theory week : proceedings of a conference held in Oberwolfach, FRG, March 19-25, 1989",,Springer-Verlag,1990,Lecture notes in mathematics,,"3540527729,0387527729",,https://cir.nii.ac.jp/crid/1130282271948851712