@book
{TN_libero_mab2,
author = {
Crowther, R. E.
},
title = {
Extraction of conifer thinnings
},
publisher = {Her Majesty's Stationery Office},
year = {1964},
booktitle = {Forestry Commission booklet ; 11},
address = {
Edingburgh
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}