@article{10_4153_CMB_1987_002_7,
     author = {Leinen, Felix},
     title = {An {Amalgamation} {Theorem} {For} {Soluble} {Groups}},
     journal = {Canadian mathematical bulletin},
     pages = {9--18},
     year = {1987},
     volume = {30},
     number = {1},
     doi = {10.4153/CMB-1987-002-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1987-002-7/}
}