TY  - BOOK
AU  - Hanan Mohamed Salah Ahmed,
AU  - Mostafa Hassan Hilal
AU  - M.Ezzim Ibrahim
AU  - Shawky Hola
TI  - Studies On Silicon In Some Egyptian Soils / : Remainder of title / 
PY  - 1996///
KW  - Soil Science
N1  - Thesis (M.Sc.)-Cairo University,1996.; Bibliography: pages 138-161.
ER  -