* The fields of real and complex numbers with a multiplicative subgroup (joint work with L. van den Dries), Proceedings of London Mathematical Society, 93, (2006), pp. 43--81. (.pdf)

  * Thorn independence in the field of real numbers with a small multiplicative group (joint work with A. Berenstein and C. Ealy),  Annals of Pure and Applied Logic, 150, (2007), pp. 1--18. (.pdf)

  * Mann pairs (joint work with L. van den Dries),Trans. Amer. Math. Soc. 362, (2010), 2393-2414. (.dvi)

  * The real field with two multiplicative subgroups (.pdf)

  * The field of real numbers with a small subgroup of the circle group (.pdf)

  * Dependent pairs (with P. Hieronymi), submitted (.pdf)

  * The real field with the rational points of an elliptic curve (with P. Hieronymi), submitted (.pdf)

  * Definable sets in Mann pairs (with L. van den Dries), submitted (.dvi)

  *  Model theory of fields with multiplicative subgroups (.dvi)

  * A talk on the Small Multiplicative subgroups of Fields (.pdf)

  * A talk on dependent pairs (.dvi)

  * Notes on "stable Domination and indepedence in ACVF" (.dvi)

  * A talk on "Mann pairs" (Lisbon)  (BogotÁ)

  * A talk around "PsuedoExponentiation" (.dvi)  (BogotÁ)