- Burkhardt et al.1990
-
Burkhardt, G., Esser, U., Hefele, H., Heinrich, I., Hoffmann, W., Krahn, D.,
Matas, V. R., Schmadel, L. D., Wielen, R., and Zech, G. (eds.): 1990,
Astronomy and Astrophysics Abstracts, Vol. 49A,
Springer-Verlag, Heidelberg
- Daniel et al.1989
-
Daniel, H.-U., Berger, J., and Savaray, D.: 1989,
Messenger 56, 67
- Lamport1986
-
Lamport, L.: 1986,
LaTeX, A Document Preparation System,
Addison-Wesley, Reading, Massachusetts
- Patashnik1988
-
Patashnik, O.: 1988,
ing,
Supplied with distributions