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Bench heating for potplant cultivation analysis of effects of root - and air temperature on growth development and production : DIZ / J.V.M. Vogelezang. Wageningen : Landbouwuniversiteit, 1993. 115 s. ISBN 90-5485-069-8.[1, of that borrowed 0]
Slovak Agricultural Library in Nitra
www.slpk.uniag.sk