Crossref Citations

1. Relationship between bark thickness and diameter at breast height for six tree species used medicinally in South Africa
V.L. Williams, E.T.F. Witkowski, K. Balkwill
South African Journal of Botany  vol: 73  issue: 3  first page: 449  year: 2007  
doi: 10.1016/j.sajb.2007.04.001