1. The relation between cost and utility in soil survey: IV. Comparison of the utilities of soil maps produced by different survey procedures, and to different scales;Beckett;J. Soil Sci.,1971
2. The relation between cost and utility in soil survey: V. The cost-effectiveness of different soil survey procedures;Beckett;J. Soil Sci.,1971
3. Bodenkarte von Niedersachsen 1:25,000, Blatt 3215 Vechta;Benne,1997
4. Soil and water quality at different scales: concepts, challenges, conclusions and recommendations;Bouma,1998
5. Quality of representative profile descriptions for predicting the land quality moisture deficit at different scales;Bregt,1989