Thomsen, I.Oades, J.Amato, M.2007-05-102007-05-101996Microbiology, 1996; 28(10):1333-13391350-0872http://hdl.handle.net/2440/27392enTurnover of 15N in undisturbed root systems and plant materials added to three soilsJournal article003000265710.1016/S0038-0717(96)00142-366663