1. Biology of the nitrogen cycle
Author: edited by Hermann Bothe, Stuart J. Ferguson, William E. Newton
Library: Central library and Documentation Center (Zanjan)
Subject: ، Nitrogen cycle,، Denitrification
Classification :
QH
344
.
B5
2007


2. Biology of the nitrogen cycle
Author: edited by Hermann Bothe, Stuart J. Ferguson, William E. Newton
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Nitrogen cycle,، Denitrification
Classification :
QH
344
.
B58
2007


3. Biology of the nitrogen cycle /
Author: edited by Hermann Bothe, Stuart J. Ferguson, William E. Newton.
Library: Library of Institude of Geophysics (Tehran)
Subject: Nitrogen cycle.,Denitrification.
Classification :
QH344
.
B584
2007

