Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Jantsch, Erich and Helmer-Hirschberg, Olaf and Kahn, Herman and Sánchez de Zavala, Víctor",Pronósticos del futuro,,Alianza,1970,El libro de bolsillo,,,,https://cir.nii.ac.jp/crid/1130000797670089088