Jonassen, G. Effect of cultural factors on thermal enviroment, survival and seed yield of winter swede (Brassica napud rapifera Metzg Sinke). Gjovik: 1973 39 p. : ill.
Jonassen, G. Effect of cultural factors on thermal enviroment, survival and seed yield of winter swede (Brassica napud rapifera Metzg Sinke). Gjovik: 1973 39 p. : ill.
Jonassen, G. (1973) Effect of cultural factors on thermal enviroment, survival and seed yield of winter swede (Brassica napud rapifera Metzg Sinke), Gjovik: 39 p. : ill.
Jonassen, G. (1973). Effect of cultural factors on thermal enviroment, survival and seed yield of winter swede (Brassica napud rapifera Metzg Sinke). Gjovik: 39 p. : ill.
Jonassen G. Effect of cultural factors on thermal enviroment, survival and seed yield of winter swede (Brassica napud rapifera Metzg Sinke). Gjovik: 1973. p. 39 p. : ill.
