2. Chemistry resources in the electronic age

Author:

Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)

Subject: Chemistry--Computer network resources

Classification :
QD
,
9
.
3
,.
B39
,
2003

3. Earth science resources in the electronic age

Author:

Library: Library of Razi Metallurgical Research Center (Tehran)

Subject: Computer network resources ، Earth sciences

Classification :
QE
48
.
87
.
B39
2003

4. Earth science resources in the electronic age

Author:

Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)

Subject: Earth sciences--Computer network resources

Classification :
QE
,
48
.
87
,.
B39
,
2003