Bulletin of International Society of Soil Science. No 32(1968) - 78(1990) - International Society of Soil Science (Amsterdam International Society of Soil Science, 1968)
International Society of Soil Science: Bulletin of International Society of Soil Science. No 32(1968) - 78(1990). Amsterdam. International Society of Soil Science, 1968.--(631.405INT)
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Keywords: Soil Science