TY - JOUR A1 - Park, Eun Hyoung A1 - Zaks, Michael A. A1 - Kurths, Jürgen T1 - Phase synchronization in the forced lorenz system Y1 - 1999 ER - TY - JOUR A1 - Park, Eun Hyoung A1 - Rosenblum, Michael A1 - Kurths, Jürgen A1 - Zaks, Michael A. T1 - Alternating locking ratios in imperfect phase synchronization Y1 - 1999 ER - TY - THES A1 - Park, Eun Hyoung T1 - Synchronization of chaotic systems by periodic external force: interpretation in terms of unstable periodic orbits Y1 - 2000 ER - TY - JOUR A1 - Zaks, Michael A. A1 - Park, Eun Hyoung A1 - Kurths, Jürgen T1 - On phase synchronization by periodic force in chaotic oscillators with saddle equilibria Y1 - 2000 ER -