1. Chemistry of Trace Elements in Fly Ash
Author: edited by Kenneth S. Sajwan, Ashok K. Alva, Robert F. Keefer.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Chemistry, Physical organic.,Chemistry.,Environmental toxicology.,Soil conservation.,Waste disposal.
2. Handbook of soils for landscape architects /
Author: Robert F. Keefer
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Landscape architecture,Soil science
Classification :
S591
.
K385
2000