@techreport{Wild89, author = {Wild, Marcel}, institution = { TH Darmstadt }, interhash = {71079ff4d6a59de4d6993487f2ece504}, intrahash = {3abb141819902476d0ad7f1b99678558}, number = { 1211 }, title = { Optimal implicational bases for finite modular lattices }, type = { FB4--Preprint }, year = { 1989 } }