1. Use of raw or processed natural pozzolans in concrete;ACI, American Concrete Institut;Acids Comm. 232, Man. Concr. Prat. Acids,2000
2. Effect of initial curing on early strength and physical properties of lightweight concrete;Al-Khaiat;Cem. Concr. Res.,1998
3. Qualitative evaluation of high performance concretes by means of rebound and ultrasonic testing (Emprego do esclerômetroe do ultra-som para efeito da avaliação qualitativa dos concretos de altodesempenho) (Professoral Thesis);Almeida,1993
4. Etude de la contribution des additions minérales aux propriétés physiques, mécaniques et de durabilité des mortiers (Thèse de doctorat);Bessa Badreddine,2004
5. Conception de bétons légers isolants porteurs. Applications aux pouzzolanes naturelles du Cameroun (Thèse de Doctorat);Bidjocka,1990