Deadlock Conditions in Well Structured Modular Systems. - Paolo Ancilotti; Mario Fusani; Norma Lijtmaer; Costantino Thanos (GI Jahrestagung, 1974)

Protection in languages for real time programming. - Paolo Ancilotti; Maurelio Boari; Norma Lijtmaer (ECI, 1978)

Linguistic Mechanisms for Resource Management Strategies. - Paolo Ancilotti; Norma Lijtmaer; Maurelio Boari; Antonio Natali (Softw. Pract. Exp., 1981)

Language Features for Access Control. - Paolo Ancilotti; Maurelio Boari; Norma Lijtmaer (IEEE Trans. Software Eng., 1983)

Using High Level Languages for Local Computer Network Communication: A Case Study in Ada. - Alessandro Fantechi; Paola Inverardi; Norma Lijtmaer (Softw. Pract. Exp., 1986)