I. Elskens

Trace metals in the eastern part of the North Sea: 1: Analyses and short-term distributions

W. Baeyens, G. Gillain, G. Decadt, 1987 .

Chemical analysis of renal stones from 377 Belgian patients by using qualitative or quantitative methods.

D. Verbeelen, P. Van Landuyt, M. Weiser, 1978, European urology.

A new method for volcanic gas analyses in the field

H. Tazieff, F. Tonani, I. Elskens, 1964 .

Study of the distribution of mercury in the various compartments of the north-sea and scheldt estuary ecosystems

W. Baeyens, W. Baeyens, G. Decadt, 1979 .