Ecological effects of intensive agriculture
Ryszkowski, L.
Ecological effects of intensive agriculture by L. Ryszkowski - Warszawa Polish Scientific Pub. 1974 - 84 p. - Polish Academy of Sci. Instt. Ecol. .
Plant Ecology
Intensive Agriculture
581.5:63 / R 996 E
Ecological effects of intensive agriculture by L. Ryszkowski - Warszawa Polish Scientific Pub. 1974 - 84 p. - Polish Academy of Sci. Instt. Ecol. .
Plant Ecology
Intensive Agriculture
581.5:63 / R 996 E