@article{GT_2017_21_3_a0,
     author = {Bunke, Ulrich},
     title = {On the topological contents of \ensuremath{\eta}{\textendash}invariants},
     journal = {Geometry & topology},
     pages = {1285--1385},
     publisher = {mathdoc},
     volume = {21},
     number = {3},
     year = {2017},
     doi = {10.2140/gt.2017.21.1285},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2017.21.1285/}
}