Proceedings of the... (the depth of ploughing) : On the occasion of the 16th World ploughing contest, Faculty of Agriculture in Beograd-Zemun, Yugoslavia, September 24, 1969
Proceedings of the... (the depth of ploughing) : On the occasion of the 16th World ploughing contest, Faculty of Agriculture in Beograd-Zemun, Yugoslavia, September 24, 1969. Zemun: 1969 88 p. : ill.
Proceedings of the... (the depth of ploughing) : On the occasion of the 16th World ploughing contest, Faculty of Agriculture in Beograd-Zemun, Yugoslavia, September 24, 1969. Zemun: 1969 88 p. : ill.
(1969) Proceedings of the... (the depth of ploughing) : On the occasion of the 16th World ploughing contest, Faculty of Agriculture in Beograd-Zemun, Yugoslavia, September 24, 1969, Zemun: 88 p. : ill.
(1969). Proceedings of the... (the depth of ploughing) : On the occasion of the 16th World ploughing contest, Faculty of Agriculture in Beograd-Zemun, Yugoslavia, September 24, 1969. Zemun: 88 p. : ill.
Proceedings of the... (the depth of ploughing) : On the occasion of the 16th World ploughing contest, Faculty of Agriculture in Beograd-Zemun, Yugoslavia, September 24, 1969. Zemun: 1969. p. 88 p. : ill.
