70. Organic mass spectrometry

Author:

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

Subject: Mass spectrometry,Chemistry, Organic

Classification :
QD
95
.
D38

71. Polymer blends and alloys )An overview(

Author:

Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)

Subject: ، Polymers

Classification :
TP
1087
.
P65
2002

72. Principles and practicels of crop production

Author:

Library: (Semnan)

Subject: ، Crops

Classification :
SB
107
.
D3P7

73. Principles and practices of crop production

Author:

Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)

Subject: India ، Field crops,India ، Food crops

Classification :
SB
185
.
I5
D31
1995

74. Principles of digital communication

Author:

Library: Tehran University, technical faculty libraries 1 (Tehran)

Subject: Digital communications

Classification :
TK
5103
.
7
.
D38
1986

76. Priniciples of digital communication

Author:

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

Subject: Digital communications

Classification :
TK
5103
.
7
.
D38
1986