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Research of crop risk factor data acquisition technology based on GSM
Zhang, Shudong, (2013)
Handbook on geospatial infrastructure in support of census activities
(2009)
Data collection in field-based environments with alternative mobile devices using mobile geographic information systems and services for quality flexible platforms
Wood, Scott L., (2016)
New horizons for the social sciences : geographic information systems
Goodchild, Michael F., (2000)
Toward spatially integrated social science
A factorial model of aggregate spatio-temporal behavior : application to the diurnal cycle
Goodchild, Michael F., (1993)