@article{10_4153_CMB_1995_003_7,
     author = {Blair, D. E. and Perrone, D.},
     title = {Second {Variation} of the {"Total} {Scalar} {Curvature"} on {Contact} {Manifolds}},
     journal = {Canadian mathematical bulletin},
     pages = {16--22},
     year = {1995},
     volume = {38},
     number = {1},
     doi = {10.4153/CMB-1995-003-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1995-003-7/}
}