7.
Triad prototropic systems. Part II. The effect of substituents on the mobility of the azomethinecarboxylic acids F. G. Baddar,Zaky Iskander J. Chem. Soc. 1954 203
8.
Triad prototropic systems. Part III. The effect of substituents on the mobility of the azomethine system F. G. Baddar,Zaky Iskander J. Chem. Soc. 1954 209