Citation: Jw. Carlson et al., Metal binding colloidal gold particles: A versatile scanning force microscope tip calibrator for fluid imaging, LANGMUIR, 15(9), 1999, pp. 3086-3090
Citation: Bj. Godfrey et Y. Zhou, Ranking world cities: Multinational corporations and the global urban hierarchy, URBAN GEOGR, 20(3), 1999, pp. 268-281