@book
{TN_libero_mab2,
author = {
Marsman, B. A.
AND
Gruijter, J. J. de
},
title = {
Quality of soil maps
a comparison of soil survey methods in a sandy area
},
publisher = {Soil Survey Institute},
isbn = {9032702173},
year = {1986},
booktitle = {Soil survey papers ; 15},
address = {
Wageningen
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}