1. Black holes ]CD[
پدیدآورنده : Nardo, Don, by Don Nardo
کتابخانه: Library and Documentation Center of Kurdistan University (Kurdistan)
موضوع : Juvenile literature ، Black holes )Astronomy(,، Black holes )Astronomy(
رده :
QB843
.
B55
N37
]
CD
[
2. How did we find out about black holes? /
پدیدآورنده : Isaac Asimov ; illustrated by David Wool
کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)
موضوع : Black holes (Astronomy)-- Juvenile literature
رده :
QB843
.
B55
A85
1978
