Astronomy and astrophysics abstracts. - Vol 50A. literature 1989, part 2 /
edited by G. B. Burkhardt.
- Berlin : Springer-Verlag, 1990.
- x, 1-656 p. : ill. ;
Some volumes issued in parts called A and B; each vol. covers literature for part of year, with final vol. covering pt. 1 of 2000.
Astronomy.--Abstracts.
Astrophysics.--Abstracts.
Some volumes issued in parts called A and B; each vol. covers literature for part of year, with final vol. covering pt. 1 of 2000.
Astronomy.--Abstracts.
Astrophysics.--Abstracts.