1. Computer Viruses; What they are, how they work, How to avoid them

Author:

Library: Central Library and Documents Center of Tehran University (Tehran)

Subject: Computer viruses

Classification :
QA
76
.
76
.
C68M33
1989

3. Superconductivity

Author:

Library: Central Library and Documents Center of Tehran University (Tehran)

Subject: Superconductivity

Classification :
QC
612
.
S8M39
1988