An Open-Plus-Closed-Loop Approach to Synchronization of Chaotic and hyperchaotic Maps. - Li-Qun Chen; Yan-Zhu Liu (Int. J. Bifurc. Chaos, 2002)

Chaotic attitude motion of a magnetic rigid spacecraft in a circular orbit near the equatorial plane. - Li-Qun Chen; Yan-Zhu Liu; Gong Cheng (J. Frankl. Inst., 2002)