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Second Phase of GIS (1 янв 1973 г. – 1 янв 1981 г.)

Описание:

Standardization of data collection and methodologies.
(Coppock and Rhind, 1991)

Добавлено на ленту времени:

GIS_TIMELINE

22 сен 2017

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1059

Дата:

1 янв 1973 г.

1 янв 1981 г.

~ 8 years

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