@book
{TN_libero_mab2,
author = {
Whitehead, Alfred North
AND
Russell, Bertrand
},
title = {
Principia mathematica
2
},
edition = {
[Nachdr. der] 2. ed. 1927
}
,
publisher = {Univ. Press},
year = {1992},
address = {
Cambridge
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}