9th international congress of soil science : Transactions Adelaide, Australia 1968 v.2
Internatinal Society of Soil Science
9th international congress of soil science : Transactions Adelaide, Australia 1968 v.2 Internatinal Society of Soil Science - Sydeny International Society of Soil Science 1968 - x, 814 p.; 24cm.
631.4 IN8
9th international congress of soil science : Transactions Adelaide, Australia 1968 v.2 Internatinal Society of Soil Science - Sydeny International Society of Soil Science 1968 - x, 814 p.; 24cm.
631.4 IN8