C. Junghans

Fractionation, precision and accuracy in 14C and 13C measurements

M. Suter, H. Synal, B. Kromer, 1987 .

Paleoclimatic Evidence in Apparent 14C Ages of Saharian Groundwaters

J. Rudolph, F. Swailem, C. Sonntag, 1980, Radiocarbon.

Isotopic identification of Saharian groundwaters, groundwater formation in the past

J. Rudolph, F. Swailem, C. Sonntag, 1980 .