@inbook{inbookb163f252,
title   = {Effects of water stress imposed at different plant growth stages of common bean (Phaseolus vulgaris) on yield and 'N IND.2' fixation},
author = {Calvache, M and Reichardt, Klaus},
year = {1999},
publisher = {Kluwer Academic Publishers},
journal   = {Crop Yield Response to Deficit Irrigation}
}