@article{Cawthorne:20168I, author = "Cawthorne, Lloyd and McGovern, Judith", title = "{Impact of the Delta (1232) resonance in neutral pion photoproduction in chiral perturbation theory.}", doi = "10.22323/1.253.0072", journal = "PoS", year = 2016, volume = "CD15", pages = "072" }