D. M. Black

Cosmic ray effects and faunal extinctions at geomagnetic field reversals

D. M. Black, 1967 .

SPATIAL FILTERING IN THE WAVE-VECTOR DOMAIN

I. Scollar, D. M. Black, 1969 .

Lunar and solar magnetic variations at Abinger: their detection and estimation by spectral anaylsis via Fourier transforms

D. M. Black, 1970, Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences.