@ARTICLE {SANGINGA: 1994a,
title = {Persistence and recovery of introduced Rhizobium ten years after inoculation on Leucaena leucocephala grown on an Alfisol in southwetern Nigeria},
author = {Sanginga, N. and Danso, S. K. A. * and Mulongoy, K. and Ojeifo, A. A. },
journal = {Plant and Soil},
year = {1994},
volume = {159},
pages = {199--204},
}