1. Earthworks :
پدیدآورنده : N.A. Trenter
کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)
موضوع : Earthwork-- Great Britain,Fills (Earthwork)-- Great Britain
2. Earthworks :
پدیدآورنده : Paul Nowak (Chief Geotechnical Engineer, Atkins, UK) and Peter Gilbert (Technical Director, Atkins, UK) ; (Originally created by N.A. Trenter).
کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)
موضوع : Earthwork-- Great Britain.,Fills (Earthwork)-- Great Britain.,Earthwork.,Fills (Earthwork),Great Britain., 7
