Proceedings. VII Czechoslovak Plant Protection Conference Nitra 6 th

1.0 3600 rich Proceedings. VII Czechoslovak Plant Protection Conference Nitra 6 th - 8 th September 1978 https://arl4.library.sk/arl-spu/en/detail-spu_us_cat-0021925-Proceedings-VII-Czechoslovak-Plant-Protection-Conference-Nitra-6-th-8-th-September-1978/