Daif, M. A., M. I. Helal, M. I. El-Naggar, and H. A. Khater,
"Effect of organic compounds on phosphate sorption-desorption of some pure minerals",
EGYPTIAN JOURNAL OF SOIL SCIENCE, vol. 44, issue 2, pp. 249, 2004.
Abstractn/a
Daif, M. A., M. I. Helal, M. I. El-Naggar, and H. A. Khater,
"Formation of separate phases of calcium phosphates in calcareous and some alluvial soils of Egypt",
EGYPTIAN JOURNAL OF SOIL SCIENCE, vol. 45, issue 2, pp. 239, 2005.
Abstractn/a