1. The Spiral Structure of Our Galaxy
پدیدآورنده : edited by W. Becker, G. Contopoulos.
کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)
موضوع : Physics.

2. The spiral structure of our galaxy
پدیدآورنده : edited by W. Becker and G. contopoulos
کتابخانه: Library of Institute of Geophysics University of Tehran (Tehran)
موضوع : Milky way--congresses,Galaxies--congresses
رده :
QB
1
.
S93
1970

