Ref ID:	24457
Ref Type:	Book Section
Authors:	Virgina, R. A. Jarrell, W. M. Rundel, P. W. Shearer, G. Kohl, D. H.
Title:	The use of variation in the natural abundance of <sup>15</sup>N to assess symbiotic nitrogen fixation by woody plants
Date:	1989
Source:	Stable isotopes in ecological research
Place of Publication:	New York
Publisher:	Springer-Verlag
Date Created:	10/6/2002
Editors:	Rundel, P.W. Ehleringer, J.R. Nagy, K.A.
Volume:	68
Page Start:	375
Page End:	394
Series Title:	Ecological Studies