1. D.R. Dos 6.o Complete
Author: / Helmut Torndorf, Manfred Tornsdorf,Tornsdorf
Library: Central Library and Documents Center of Tehran University (Tehran)
Subject: Operating systems (Computers),DR Dos
Classification :
QA
76
.
76
.
O63T6753
1991
2. DOS 6 Complete
Author: by Manfred Tornsdorf and Helmut Tornsdorf ; Tempest Software ry Martin Grumpel,Title
Library: Central Library of Imam Khomeini International University of Qazvin (Qazvin)
Subject: Operating systems )Computers(,MS-DOS )Computer file(,PC-DOS )Computer file(
Classification :
QA
.
O63T67
76
.
76
1994
3. DR DOS 6.0 Complete
Author: / [Helmut Tornsdorf, Manfred Tornsdorf]
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject: Operating systems (Computers),DR DOS
Classification :
QA76
.
76
.
063T63
4. DR DOS 6.0 complete
Author: Helmut Tornsdorf, Manfred Tornsdorf
Library: Library of Medical Sciences of Jundishapour University (Khuzestan)
Subject: DR DOS,Operating systems (Computers)
Classification :
QA
,
76
.
76
,
T6753
,
1991
5. DR DOS 6.0 complete
Author: / Manfred Tornsdorf and Helmut Tornsdorf
Library: Central Library and Archive Center of shahid Beheshti University (Tehran)
Subject: Operating systems (Computers),DR DOS
Classification :
005
.
446
T686D
1992
6. DR DOS 6.0 complete
Author: / Helmut Tornsdorf, Manfred Tornsdorf
Library: Central Library and Information Center of the University of Mohaghegh Ardabili (Ardabil)
Subject: Operating systems (Computers),DR DOS
Classification :
QA76
,.
76
.
O63
,
T6753
1992
7. DR Dos 6.0 Complete
Author: / Manfred Tornsdorf and helmut tornsdorf
Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)
Subject: Operating systems(Computers),DR Dos
Classification :
QA76
.
76
.
T67
,
D8
1992
8. Le grand livre MS-DOS 6.0
Author: Tornsdorf, Helmut
Library: Central Library of Sharif University of Technology (Tehran)
Subject: ، MS-DOS )Computer file(,، Operating systems )Computers(
Classification :
QA
76
.
76
.
O63
.
T676314
1993b
9. MS-DOS for beginners
Author: / Helmut Tornsdorf.
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject: ام. اس. داس (فایل کامپیوتر),MS-DOS (Computer file)
Classification :
QA
۷۶
/
۷۶
/
س
۹
ت
۹ ۱۳۷۰
10. MS - DOS for beginners
Author: / Helmut Tornsdorf,Tornsdorf
Library: Central Library and Documents Center of Tehran University (Tehran)
Subject: MS DOS (Computer opetating system)
Classification :
QA
76
.
76
.
O63T676
1990
11. Tempest graphical shell software for Dos 6 complete: covers all versions to 6.2
Author: by Manfred Tornsdorf and Helmut Tornsdorf
Library: Library of the Faculty of Economics University of Tehran (Tehran)
Subject: Expert systems M.S. Dos
Classification :
QA
76
.
76
.
T6
1993
