1. Anderson, F.B., Leaback, D.H.: Substrates for the histochemical localization of some glycosidases. Tetrahedron12, 236?239 (1961)
2. Asp, N.G., Dahlqvist, A.: Rat small intestinal?-galactosidases. Kinetic studies with three separated fractions. Biochem. J.110, 143?150 (1968)
3. Asp, N.G., Dahlqvist, A.: Assay of 2-naphthyl-?-galactosidase activity. Analyt. Biochem.42, 257?280 (1971)
4. Barka, T., Anderson, P.J.: Histochemistry. Theory, practice, and bibliography, p. 268. New York-Evanston-London: Harper + Row 1963
5. Barrett, A.J.: Properties of lysosomal enzymes. In: Lysosomes in biology and pathology (J.T. Dingle, H.B. Fell, eds.), Vol. II, pp. 245?312. Amsterdam-London: North-Holland 1969