1. Determination of glucose, urea and penicillin using enzyme-pH electrodes;Nilsson;Biochim. Biophys. Acta,1973
2. A penicillin selective enzyme electrode;Papariello;Anal. Chem.,1973
3. Improved penicillin selective enzyme electrode;Cullen;Anal. Chem.,1974
4. Immobilized enzyme-based flowing-stream analyzer for measurement of penicillin in fermentation broths;Rusling;Anal. Chem.,1976
5. Réalisation et étude d'une électrode à acétylcholinesterase immobilisée pour le dosage de l'acétylcholine;Tran-Minh;Comp. Rend., 286C,1978