3. Proceedings

Author:

Library: Central Library of Sharif University of Technology (Tehran)

Subject: ، Earths, Rare-- Congresses,، Rare earth metals-- Congresses

Classification :
QD
172
.
R2
.
C6

13. Science and technology of rare earth materials

Library: Central Library of Sharif University of Technology (Tehran)

Subject: ، Earths, Rare-- Congresses

Classification :
QD
172
.
R2
.
I52
1980

14. Science and technology of rare earth materials

Author:

Library: Central Library and Documentation Center (Kerman)

Subject: Congresses ، Earths, Rare

Classification :
QD
172
.
R2
I52
1980

15. Science and technology of rare earth materials

Author:

Library: Library of College of Science University of Tehran (Tehran)

Subject: Rare earths -- Congresses

Classification :
QD
172
.
R2
I52
1980

16. The rare earths

Library: Central Library of Sharif University of Technology (Tehran)

Subject: ، Earths, Rare-- Congresses,، Rare earth metals-- Congresses

Classification :
QD
172
.
R2
.
S9
1959