Hydrobiology of Czechoslovakia

--1993 Division of Czechoslovakia--

Founded in 1918, it united within its political framework the Jewries of the "historic countries" (Bohemia, Moravia, and part of Silesia), connected with the Hapsburg Empire from 1526 and under its direct control from 1620, and of Slovakia and Carpatho-Russia, an integral part of Hungary, from the tenth century. As of January 1, 1993, Czechoslovakia ceased to exist as a separate entity and its ...

Human parasitology in Czechoslovakia.

Ecochemistry of Bhc in Czechoslovakia

The 'ecochemistry' of BHC and other chlorinated insecticides in soil, surface waters, in selected foodstuffs of plant and animal origin, in human milk and other human materials (fat and the uterus content after an artificial abortion), has been studied. The investigations were accomplished in three regions in Slovakia: two regions with an intensive predominating agricultural production and one ...

Czechoslovakia: A State of Perceived Bias

Czechoslovakia: A State of Perceived Bias

The Patent System in Pre-1989 Czechoslovakia