@article{MZ_1961__75_169905,
     author = {James Wiegold},
     title = {Some remarks on generalised products of groups with amalgamations.},
     journal = {Mathematische Zeitschrift},
     pages = {57--78},
     publisher = {mathdoc},
     volume = {75},
     year = {1961},
     zbl = {0091.02402},
     url = {http://geodesic.mathdoc.fr/item/MZ_1961__75_169905/}
}