Ivanov, I. Granitic pegmatites in Bulgaria - a potential complex source for metal and mineral resources,
, 1995, p. 16-20.
Ivanov, I. .
Granitic pegmatites in Bulgaria - a potential complex source for metal and mineral resources.
София: , 1995, p. 16-20.
Ivanov, I. (1995)
Granitic pegmatites in Bulgaria - a potential complex source for metal and mineral resources,
София: , p. 16-20
Ivanov, I.
(1995).
Granitic pegmatites in Bulgaria - a potential complex source for metal and mineral resources. Геология и минерални ресурси. София: 2 (4), p. 16-20.