J. N. Black

The Concept of a Natural Resource

J. N. Black, 1972 .

Solar radiation and the duration of sunshine

J. N. Black, J. Black, C. W. Bonython, 1954 .

The distribution of solar radiation over the Earth's surface

J. N. Black, J. Black, 1956 .

Population growth and land use

J. N. Black, J. Black, 1970 .