T. Shiota, H. Mukuda, M. Uekubo, F. Engetsu, M. Yashima, Y. Kitaoka, K.T. Lai, H. Usui, K. Kuroki, S. Miyasaka, et al. Superconductivity and Antiferromagnetic Spin Fluctuations in LaFe (As1-xPx)(O1-yFy) probed by 31P-NMR. Journal of Physics: Conference Series. 2017. 807. 052006