@article{Heinberg:1958zz, author = "Heinberg, M. and McClelland, W. M. and Turkot, F. and Woodward, W. M. and Wilson, R. R. and Zipoy, D. M.", title = "{Photoproduction of pi+ Mesons from Hydrogen in the Region 350-900 Mev}", doi = "10.1103/PhysRev.110.1211", journal = "Phys. Rev.", volume = "110", pages = "1211--1212", year = "1958" }