1. Acidic phenolic fraction of olive vegetation water determined by a gas chromatographic method;Balice;Grasas y Aceites,1984
2. The dynamics of the aerobic valorization of olive oil mills wastewaters (katsigaros) (in Greek);Balis,1989
3. Study and remediation measures coping with the environmental pollution of olive mills waste waters;Balis,1987
4. Integrated management of olive oil mills wastewaters;Balis,1991
5. Nitrogen fixation by free-living bacteria associated with plants—fact or fiction?;Brown,1982