Department of Mathematics2024-11-1020080236-529410.1007/s10474-007-7132-02-s2.0-49049103557http://dx.doi.org/10.1007/s10474-007-7132-0https://hdl.handle.net/20.500.14288/17393We describe Legendrian surgery diagrams for some horizontal contact structures on non-positive plumbing trees of oriented circle bundles over spheres with negative Euler numbers. As an application we determine Millior fillable contact structures on some Milnor fillable 3-manifolds.MathematicsJournal Article1588-2632257629600014Q26145