Studies on the chemical analysis of phosporus in soils [microform]/
دراسات على التحليل الكيميائى للفسفور فى الأراضى .
Alaa El-Din Mourad Abd Allah Abd El-Kareim.
- 1999.
- 170, 4 Leaves : ill. ; 30 cm.
Thesis (Ph.D.)--Menoufia University, 1999.
Includes bibliographical references (leaves 154-170)