@misc
{TN_libero_mab2,
author = {
Heusch, Peter
},
title = {
Lecture Notes in Computer Science: The complexity of the falsifiability problem for pure implicational formulas
},
publisher = {Springer Berlin Heidelberg},
isbn = {0302-9743},
isbn = {1611-3349},
year = {1995},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}