1. Kou, Feifei; Yan, Wenming; Peng, Bo; Lu, Jiguang; Liu, Kuo; et al., Periodic and Phase-locked Modulation in PSR B1929+10 Observed with FAST, ApJ, 2021,909,170；
2. Kou, Feifei; Tong, Hao; Xu, Renxin; Zhou, Xia; Rotational Evolution of the Slowest Radio Pulsar, PSR J0250+5854, ApJ, 2019,876,131；
3. Kou F. F., Tong H., Rotational evolution of the Crab pulsar in the wind braking model, 2015, MNRAS, 450, 1990-1998；
4. Kou F. F., Ou Z. W., Tong H., On the variable timing behavior of PSR B0540−69,2016, RAA, 16, 79；
5. Kou F. F., Yuan J. P., Wang N., et al., The Spin-down State Change and Mode Change Associated with Glitch Activity of PSR B2035+36, 2018, MNRAS-L, 2018, 478,L24；
6. Tong H., Kou F. F., Possible evolution of the pulsar braking index from larger than three to about one, 2017, ApJ, 837,117；
7. Ou, Z. W., Tong, H., Kou, F. F., et al., Fluctuating neutron star magnetosphere: braking indices of eight pulsars, frequency second derivatives of 222 pulsars and 15 magnetars, 2016, MNRAS, 457,3922-3933