Puerto Rico

Elsevier | 1992

Correspondent's File: Puerto Rico

Russell, J. S. | British Library Online Contents | 2002

Concrete in Puerto Rico

Eggleston, H.K. | Engineering Index Backfile | 1944

Geology of Puerto Rico

Hilderbrand, F.A. / Berryhill, Jr., H.L. | Engineering Index Backfile | 1961

Landslides in Puerto Rico

Farquhar, O. C. | Online Contents | 1978