Sugerencias
Quizá quiso decir:
Prestressed Concrete Institute. PCI
Taller Internacional de Pavimentación con Adoquines de ConcretoInternational Worlshop on Concrete Block Paving
International Conference on Fly Ash Silica Fume Slag and Natural Pozzolans in Concrete (9th: 2007: Las Vegas Nev.)
Symposium of high-perfomance fiber-reinforced concrete in infrastructural repair and retrofit (2000 May 1: Farmington Hills, Michigan)
CONCRETE PERIODICALS
American Concrete Pavement Association.