Naturally occurring carcinogenes of plant original /
Toxicology of insecticides /
Chemistry of insecticides and fungicides.
Chemistry and uses of insecticides.
Transmission by nematodes of swome grapevine viruses occurring in Czechoslovakia and Hungary /
Some data concerning rock and terrestrial lichens occuring in the Świetokrzyskie Mountains /
Natural gas and natural gasoline /
Nature.
The Effect of Insecticides (Fosfotion, Intration, Soldep) on some Predators and Parasites of Aphides (Aphis Craccivora Koch, Aphis Fabae Scop.) /
Natur : kleine Enzyklopädie /
Product of nature.
Natural floor.
Nature in Camera.
The nature of life. /
The nature of history /
The nature of the universe. /
Nature and science.
The nature of life /
The nature of impossibility /
Nature and mortality /
Naturally occurring insecticides /
Polovyje feromony nasekomych /