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Gunnar Johannsen

Known as: Johannsen, Johannsen, Gunnar 
Gunnar Johannsen (born 1940) is a German cyberneticist, and Emeritus Professor of Systems Engineering and Human-Machine Systems at the University of… 
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2 relations
CyberneticistTuring Institute

Papers overview

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Highly Cited
2011
Highly Cited
2011
Professions as Science-Based Occupations
How professions should be defined and separated from other occupations has constituted an enduring theoretical and empirical… 
Highly Cited
2011
Highly Cited
2011
The pace of Holocene vegetation change : testing for synchronous developments
Review
2010
Review
2010
The Economics of Sustainable Land Management Practices in the Ethiopian Highlands
This article uses data from household- and plot-level surveys conducted in the highlands of the Tigray and Amhara regions of… 
Highly Cited
2007
Highly Cited
2007
Leaf litter as a possible food source for chironomids (Diptera) in Brazilian and Portuguese headwater streams
Our objective was to evaluate the potential use of leaf detritus by chironomid larvae. Field and laboratory experiments were… 
Highly Cited
2005
Highly Cited
2005
The 2005 AMI System for the Transcription of Speech in Meetings
In this paper we describe the 2005 AMI system for the transcription of speech in meetings used in the 2005 NIST RT evaluations… 
Highly Cited
2004
Highly Cited
2004
Nitrogen mineralization and crop uptake of N from decomposing 15N labelled red clover and yellow sweetclover plant fractions of different age
Nitrogen mineralization from 15N labelled red clover (Trifolium pratense L.) and yellow sweetclover (Melilotus officinalis Lam… 
Highly Cited
2003
Highly Cited
2003
Distal factors in risk perception
This is an empirical and quantitative study of the validity of four kinds of distal explanatory factors in risk perception. In an… 
Review
1998
Review
1998
An Improved Procedure for the Preparation of 2,2-Bis[2-[4(S)- tert-butyl-1,3-oxazolinyl]]propane [(S,S)-tert-Butylbis(oxazoline)] and Derived Copper(II) Complexes
The general utility of C2-symmetric bis(oxazoline) (box) ligands in copper-catalyzed asymmetric transformations has been… 
Highly Cited
1996
Highly Cited
1996
New voices : self-advocacy by people with disabilities
Every social change movement has a history beginning with a point of conception and evolving into stages of greater maturity and… 
Highly Cited
1953
Highly Cited
1953
Classification of Paleozoic straight-hinged ostracods
BY GUNNAR HENi\'INGS:VIOEC\ (Palcontological Museum, University of Oslo, O:>lo 45, Non\-ay) 
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