The Transition-Curve Fieldbook (1891) Autor Conway R. Howard 27 apr 2009 Paperback Preț: 124.45 lei 38-44 zile
Earthwork Mensuration, On the Basis of the Prismoidal Formula. Autor Conway R. Howard 12 sep 2006 Paperback Preț: 127.04 lei 6-8 săpt.