@article{10_1017_S0017089516000082,
     author = {CAVE, CHRIS and DREESEN, DENNIS},
     title = {EQUIVARIANT {COMPRESSION} {OF} {CERTAIN} {DIRECT} {LIMIT} {GROUPS} {AND} {AMALGAMATED} {FREE} {PRODUCTS}},
     journal = {Glasgow mathematical journal},
     pages = {739--752},
     year = {2016},
     volume = {58},
     number = {3},
     doi = {10.1017/S0017089516000082},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089516000082/}
}