PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Forestry James P Wacker PeerJ Author Summary Forestry PeerJ Contributions Articles 1 March 5, 2019 Electric resistance tomography and stress wave tomography for decay detection in trees—a comparison study Xiaoquan Yue, Lihai Wang, James P. Wacker, Zhiming Zhu https://doi.org/10.7717/peerj.6444 PubMed 30863670