TY  - BOOK
AU  - Fahmy Yasein Moselhy El-Eraky,
AU  - Maher A.takla.
AU  - Aly Sadek Abdel Wahed.
AU  - Abdel Aziz A.hussein.
TI  - Mineralogy and geoochemistry of some gem minerals, egypt / 
PY  - 1997///
KW  - GEOLOGY
KW  - gem minerals
KW  - geoochemistry
N1  -  Thesis (Ph.D)-Cairo University, 1997; Bibliography: pages 165-174
ER  -