Nitrogen assimilation of plants : proceedings of a Symposium held at Long Ashton research Station University of Bristol, 19.-22. September 1977 /
Physiologische Chemie - Erster Teil - Assimilation.
The Nitrogen Industry Part 1
The Nitrogen Industry Part 2
Nitrogen fixation Volume 1 ecology
The world of nitrogen /
Roots : international magazine of endodontics.
Agricultural mechanization. The mechanization of maize harvesting for grain.
Roots of innovation /
Roots : 30th anniversary edition Disc 1 Episode 1 /
Roots : 30th anniversary edition / Disc 2 Episode 2/
Roots : 30th anniversary edition / Disc 3 Episode 3/
Roots : 30th anniversary edition / Disc 4 Episode 4
Roots : 30th anniversary edition / Disc 5 Episode 5
Roots : 30th anniversary edition / Disc 6 Episode 6. 2002 documentary remembering roots
Roots : 30th anniversary edition / Disc 7 2007 documentary crossing over: How roots captivated an entire nation
Roots : [príbeh Etiópskej kávy a jej pestovateľov] /
Some methodological achievements of the hungarian hybrid maize breeding /
The biology of nitrogen fixation /
Cryosystem Liquid Nitrogen
Zborník referátov z 2. konferencie Bielkoviny, ich zdroje a problémy utilizácie živočíšnym organizmom : 1. - 2.11.1984, Starý Smokovec /
Biochémia živočíchov /
Biochémia rastlín /
Uptake, assimilation and transport of nitrogen by maize roots /
Biochémia živočíchov.