Browsing by Author "Pfeiffer-Maliszewska, Wanda"
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Item The effect of different factors on nitrogen fixation in the soil derived from the waste-heaps of a coal mine at Chwałowice(Instytut Uprawy Nawożenia i Gleboznawstwa – Państwowy Instytut Badawczy w Puławach, 1975) Pfeiffer-Maliszewska, Wanda