1.THE RELEVANCE OF VON THÜNEN THEORY TO HISTORICAL AND EVOLUTIONARY ANALYSIS OF AGRICULTURAL LAND USE W. Norton Journal of Agricultural Economics Volume 30, Issue 1 , Pages39 - 47 1979 Agricultural Economics Society

http://www3.interscience.wiley.com/journal/120157293/abstract

2.Geographical AnalysisVolume 34, Number 3, July 2002-pp. 229-244E-ISSN: 1538-4632 Print ISSN: 0016-7363
DOI: 10.1353/geo.2002.0017


Singh, Surendra.
Optimizing the Spatial Structure of the Agricultural Production Function
Geographical Analysis

http://muse.jhu.edu/login?uri=/journals/geographical_analysis/v034/34.3singh.pdf

3.A MEASURE OF CROPPING INTENSITY
E. Dayal
The Professional Geographer, 1467-9272, Volume 30, Issue 3, 1978, Pages 289 – 296

http://www.informaworld.com/smpp/ftinterface?content=a788982673&rt=0&format=pdf

4.A SPATIAL ANALYSIS OF AGRICULTURAL INTENSITY IN A BASOTHO VILLAGE OF SOUTHERN AFRICA
Richard Stevens; Yuk Lee
The Professional Geographer, 1467-9272, Volume 31, Issue 2, 1979, Pages 177 – 183
http://www.informaworld.com/smpp/ftinterface?content=a788948224&rt=0&format=pdf

5.VON THÜNEN AND URBAN SPRAWL
Robert Sinclair
Annals of the Association of American Geographers, 1467-8306, Volume 57, Issue 1, 1967, Pages 72 – 87


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