Preparative high performance liquid chromatography / Rodolfo Guilherme Berg.

מאת Berg, Rodolfo Guilherme, The Virginia Polytechnic Institute and State University
יצא לאור 1976.

Foundations and ground improvement : proceedings of a specialty conference : June 9-13, 2001, Blacksburg, Virginia /

מאת Brandon, Thomas L., American Society of Civil Engineers., Virginia Polytechnic Institute and State University.
יצא לאור c200