Borate esters: identification, structure, stability, and cation coordinating ability / Martin van DuinBorate esters and metal-ion coordination of n-containing carbohydrate derivatives / Jacco van HaverenPhase transitions and optically induced phenomena in cooperative systems / Daniele FaustiPhase transitions and optically induced phenomena in cooperative systems / Daniele FaustiOver magnetische wisselwerkingen in mangaanboraatglazen / Cornelis Jan Schinkel