@article{10_4064_cm_50_2_155_166,
     author = {George Gr\"atzer and David Kelly},
     title = {Free $\germ m$-products of lattices. {II}},
     journal = {Colloquium Mathematicum},
     pages = {155--166},
     publisher = {mathdoc},
     volume = {50},
     number = {2},
     year = {1985},
     doi = {10.4064/cm-50-2-155-166},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-50-2-155-166/}
}