Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Heintz, Wulff D. (Wulff Dieter)",Double stars,,D. Reidel Pub. Co.,1978,Geophysics and astrophysics monographs,,"9027708851,902770886X",,https://cir.nii.ac.jp/crid/1130000797317445120