206 THE MOLECULAR ARCHITECTURE OF PLANT CELL WALLS 



(58) Preston, R. D. Pioc. Roy. Soc, B 134, 202, 1947. 



(59) See e.g. Castle, E. S. Amer. J. Bot., 29, 654, 1942. 



(60) Preston, R. D. Biochim. et Biophys. Acta, 2, 155, 1948. 



(61) Preston, R. D., and Middlebrook, M. Nature, 164, 217, 1949. 



(62) Middlebrook, M., and Preston, R. D. Biochim. et Biophys. Acta. In 



the Press, 1952. (Two papers.) 



(63) {a) BuRSTROM, H. Ann. Agric. Coll. Sweden, 10, 1, 1942. 

 (6) Frey-Wyssling, A. Growth Symposium, 12, 151, 1948. 



(65) AsTBURY, W. T., and Bell, F. O. Nature, 147, 696, 1941. 



(66) Preston, R. D. Nature, 147, 710, 1941. 



(67) PiCKEN, L. E. R. Phil. Trans. Roy. Soc. Lond., B 234, 1, 1949. 



(68) RuDALL K. M. In Progress in Biophysics, Vol. I (Ed. RandaU), 



Butterworths, 1951. 



(69) MONNE, L. Z. Zellforsch., 31, 91, 1940. 



(70) Schmidt, W. J. Z. Zellforsch., 33, 1, 1943. 



(71) Gorter, Chr. Nature, 1950. 



(72) Brown, R., and Sutcliffe. /. Exp. Bot., 1, 88, 1950. 



(73) Frey-Wyssling, A. S.E.B. Symposium, 6, 1951. 



(74) SVEDBERG, T. Svenske. Papperstids. 52, 157, 1949. 

 Ranby, B. G., and Ribi, Ed. Experientia, 6, 12, 1950. 

 RiBi, Ed. and Ranby, B. G. Ibid, 6, 27, 1950. 

 Ranby, B. G. Acta Chimica Scand., 3, 649, 1949. 



(75) Flint, E. Biol. Revs. In the Press. 



(76) The Size and Shape factor in Colloidal Systems. Far. Soc. Sym., 1951. 



(77) Bonner, J. Jahrb. wiss. Bot., 82, 377, 1936. 



