Geobotanical anomalies

Wild, H. (1968). Geobotanical anomalies in Rhodesia. 1. The vegetation of copper-bearing rocks. Kirkia, 1, 1-72. 

Reid, N., Iwashita, A., Yamashita, Y. and Thompson, K., 1988. High resolution imaging of geobotanical anomalies associated with subsurface hydrocarbons. Proc. Sixth Thematic Conference on Remote Sensing for Exploration Geology, Houston, Vol. I, pp. 213-223. 

---