1. Bamber, R.K. 1961. Staining reaction of the pit membrane in wood cells. Nature 191: 409–410. Benayoun, J., A.M. Catesson Y. Czaninski. 1981. A cytochemical study of differentiation and breakdown of vessel end walls. Ann. Bot. 47: 687–698.
2. Bolton, A.J. J.A. Petty. 1977. Variation in susceptibility to aspiration of bordered pits in conifer wood. J. Exp. Bot. 28: 935–941.
3. Bonner, L.D. 1970. Ultrastructure and polymer composition of intercellular passageways in yellow poplar. PhD Diss., North Carolina State Univ., N.C.
4. Butterfield, B.G. B.A. Meylan. 1972. Scalariform perforation plate development in Laurelia novae-zelandiae A. Cunn.: A scanning electron microscope study. Austr. J. Bot. 20: 253–259.
5. Butterfield, B.G. B.A. Meylan. 1980. Three dimensional structure of wood: An ultrastructural approach. 2nd Ed. Chapman Hall, London.