%0 Journal Article
%A Neumann, Walter D
%T Immersed and virtually embedded π1–injective surfaces in graph manifolds
%J Algebraic and Geometric Topology
%D 2001
%P 411-426
%V 1
%N 1
%U http://geodesic.mathdoc.fr/articles/10.2140/agt.2001.1.411/
%R 10.2140/agt.2001.1.411
%F 10_2140_agt_2001_1_411