Celluose decomposition and soil ferility.

by Szegi, J.
Published 1988

Proceedings of the 9 th international symposivm on soil biology and conservation of the biosphere.

Published 1987

Special methods in pond fish husbandry /

by Horvath, Laszlo.
Published 1984

Socialist agriculture in Hungary.

by Csizmadia, Ernö.
Published 1977

The black locust.

by Keresztesi, B.
Published 1988