K. Birrell

发表

Named tephras and tephra formations occurring in the Central North Island, with notes on derived soils and buried paleosols

J. C. Heine, W. Pullar, K. Birrell, 1973 .

ALLOPHANE IN VOLCANIC ASH SOILS

M. Fieldes, K. Birrell, 1952 .

ION‐EXCHANGE PHENOMENA IN SOME SOILS CONTAINING AMORPHOUS MINERAL CONSTITUENTS

M. Gradwell, K. Birrell, 1956 .

Ohinewai Tephra Formation; a c. 150000-year-old tephra marker in New Zealand

C. G. Vucetich, W. Pullar, K. Birrell, 1978 .

Parent materials of Tirau silt loam

W. Pullar, K. Birrell, 1973 .

Determination of clay contents in soils containing allophane

K. Birrell, 1974 .

Determination of clay contents in soils containing allophane: I. Sub-soils

K. Birrell, 1966 .

Methoxyl-carbon content of soils as an index of humification

K. Birrell, 1966 .

THE ADSORPTION OF CATIONS FROM solUTION BY ALLOPHANE IN RELATION TO THEIR EFFECTIVE SIZE

K. Birrell, 1961 .

Weathering of paleosols in Holocene and late Pleistocene tephras in Central North Island, New Zealand

W. Pullar, K. Birrell, 1973 .