Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Gabisch, Günter and Lorenz, Hans-Walter",Business cycle theory : a survey of methods and concepts,2nd rev. and enl. ed,Springer-Verlag,1989,Universitext,,"3540510591,0387510591",,https://cir.nii.ac.jp/crid/1130000796383039104