Bulychjov, S. A.; Kudryavtsev, A. E.; Kulikov, V. V.; Martemianov, M. A.; Tarasov, V. E.; Lizunova, M. A.; Briscoe, W. J.; Strakovsky, I. I. Neutron Detection in the A2 Collaboration Experiment on Neutral Pion Photo-Production on Neutron. KEn 2018, 3, 51–56.