Differential equations and duality in massless integrable field theories at zero temperature
Nuclear Physics B Elsevier 574:1-2 (2000) 571-586
Mammographic determination of breast volume: comparing different methods.
American Journal of Roentgenology American Roentgen Ray Society 173:6 (1999) 1643-1649
Sigma Models as Perturbed Conformal Field Theories
Physical Review Letters American Physical Society (APS) 83:22 (1999) 4468-4471