1. An acid β-galactosidase from the albumen gland of Helix aspersa;Barnett;Comp. Biochem. Physiol.,1971
2. The metabolism of galactogen and glycogen by the pulmonate snails, Bulimnaea megasoma and Helix pomatia;Goudsmit,1964
3. Isolation of GDP-l-galactose from the albumen gland of Helix pomatia;Goudsmit;Biochim. biophys. Acta,1966
4. Der Galactogengehalt der Eier von Lymnaea stagnalis wahrend der Embryonal Entwicklung;Horstmann;Biochem. Z.,1956
5. Der lipidgehalt der Eier von Lymnaea stagnalis wahrend Embryonical Entwicklung;Horstmann;Biochem. Z.,1956