@base .
.
a , , ;
, , ;
"Astronomers' universe." ;
;
;
;
"2197-6651" ;
;
;
"2197-6651" ;
;
"2197-6651" ;
"Astronomers' universe." , "Astronomers' universe (Internet)" ;
;
"http://link.springer.com/bookseries/6960" .
a , ;
"Astronomers' universe (Internet)" .
a .
a ;
"1614-659X" ;
.
"United States" .
a ;
;
"20210206215600.0"^^ ;
;
.
a ;
"2197-6651" ;
.
a ;
.