"Pulsar scintillation studies with LOFAR III. Annual variations in PSR~J0814$+$7429"
Yanqing Cai, Ziwei Wu, Weiwei Zhu, Joris P. W. Verbiest, Yulan Liu, Krishnakumar Moochickal Ambalappat, Marcus Br\"uggen, Benedetta Ciardi, Ralf-J\"urgen Dettmar, Ziyao Fang, Qiuyang Fu, Matthias Hoeft, Jiawei Jin, Lars K\"unkel, J\"orn K\"unsem\"oller, Caisong Liu, Lingqi Meng, Xueli Miao, Jiarui Niu, Rukiya Rejep, Dominik J. Schwarz, Golam M. Shaifullah, Caterina Tiburzi, Christian Vocks, Olaf Wucknitz, Mengyao Xue, Mao Yuan, Youling Yue, Chunfeng Zhang, Zhen Zhang