Dergiler / Turkish Journal of Mathematics / 1996 / Cilt: 20 - Sayı: 1On homotopic non-isomorphic tight contact structures on 3-manifoldsPaolo LISCA, Gordana MATICDergiTurkish Journal of MathematicsSayı1996 · Cilt: 20 - Sayı: 1Sayfa37–45DOI—