1. Aula, P., Autio, S., Raivio, K. O., Rapola, J., Thoden, C.-J., Koskela, S.-L. and Yamashina, J. ‘Salta disease’, a new lysosomal storage disorder. Arch. Neural 36 (1979) 88–94
2. Aula, P., Autio, S., Raivio, K. O. and Rapola, J. Aspartylglucosaminuria. In Durand, P. and O’Brien, J. S. (eds.), Genetic Errors of Glycoprotein Metabolism, edi ermes, Milano, SpringerVerlag, Berlin, Heidelberg, New York, 1982, pp. 123–152
3. Baumkötter, J., Cantz, M., Mendla, K., Baumann, W., Friebolin, H., Gehler, J. and Spranger, J. N-Acetylneuraminic acid storage disease. Hum. Genet 71 (1985) 155–159
4. Beaudet, A. L. and Thomas, G. H. Disorders of glycoprotein degradation: mannosidosis, fucosidosis, sialidosis, and aspartylglycosaminuria. In Scriver, C. R., Beaudet, A. L., Sly, W. S. and Valle, D. (eds.), The Metabolic Basis of Inherited Disease, 6th edn., McGraw-Hill, New York, 1989, pp. 1603–1621
5. Berger, E. G., Buddecke, E., Kamerling, J. P., Kobata, A., Paulson, J. C. and Vliegenthart, J. F. G. Structure, biosynthesis and functions of glycoprotein glycans. Experientia 38 (1982) 1129–1258