1.

Exploration of Halley's Comet
by: M. Grewing, F. Praderie
1989-02

2.

Exploring the Universe with the IUE Satellite (Astrophysics and Space Science Library)
from: Springer
1988-01

3.

Interstellar Matter, Galaxy, Universe / Interstellare Materie, die Galaxis, Universum (Landolt-Bornstein Numerical Data and Functional Relationships in Science and Technology)
by: P. Biermann, H.H. Fink, K.J. Fricke, W. Gliese, M. Grewing, W.K. Huchtmeier, B.F. Madore, H. Netzer, J. Rahe, H. Scheffler, L.D. Schmadel, J. Schmid-Burgk, G.A. Tammann, J. Trümper, R. Wielen
December 06, 1982