ISOLATION FROM ATELIA-HERBERT-SMITHII PITTIER (SOPHOREAE, LEGUMINOSAE) AND X-RAY STRUCTURE OF CIS-1-AMINO-3-HYDROXYMETHYL-CYCLOBUTANE-1-CARBOXYLIC ACID, AN ACHIRAL NONPROTEIN AMINO... by Austin, G, Baird, P, Chow, H, Fellows, L, Fleet, G, Nash, R, Peach, J, Pryce, R, Stirton, C