Kathryn A. VandenBosch, Desmond J. Bradley, J. Paul Knox, Silvia Perotto, Geoffrey W. Butcher, Nicholas J. Brewin,
Common components of the infection thread matrix and the intercellular space identified by immunocytochemical analysis of pea nodules and uninfected roots The EMBO Journal. ,vol. 8, pp. 335- 341 ,(1989) ,
10.1002/J.1460-2075.1989.TB03382.X