G. Ellen

Determination of cadmium and lead in foods by graphite furnace atomic absorption spectrometry with Zeeman background correction: test with certified reference materials.

G. Ellen, J. Van Loon, 1990, Food additives and contaminants.

Nickel content of various dutch foodstuffs

G. Ellen, Gré Bosch-Tibbesma, Fred F. Douma, 1978, Zeitschrift fur Lebensmittel-Untersuchung und -Forschung.

Copper, chromium, manganese, nickel and zinc in kidneys of cattle, pigs and sheep and in chicken livers in The Netherlands

G. Ellen, Johannes W. Loon, K. Tolsma, 1989, Zeitschrift fur Lebensmittel-Untersuchung und -Forschung.

Syntheses of the tricyclo[5.2.1.04,8]deca-2,5-diene system

J. Vrielink, G. Ellen, G. W. Klumpp, 1973 .

Heavy metals in vegetables grown in the Netherlands and in domestic and imported fruits

G. Ellen, Johannes W. Loon, K. Tolsma, 1990, Zeitschrift fur Lebensmittel-Untersuchung und -Forschung.

Dietary intakes of some essential and non-essential trace elements, nitrate, nitrite and N-nitrosamines, by Dutch adults: estimated via a 24-hour duplicate portion study.

G Ellen, E Egmond, J W Van Loon, 1990, Food additives and contaminants.

Solvolysis of exo-tetracylo[4.3.1.03,8.07,9]dec-2-yl derivatives; a reference System for the assessment of anchimeric assistance by remote cyclopropane rings

G. Ellen, G. W. Klumpp, 1974 .

Solvolysis of endo‐bicyclo[3.2.1]octa‐2,6‐dien‐8‐yl derivatives

F. Bickelhaupt, G. Ellen, G. W. Klumpp, 2010 .

Synthesis and reactivity of the endo-tricyclo[4.2.0.02,8]oct-3-en-7-yl system; a δ route to the bicyclo[3.2.1]-octa-2,6-dien-8-yl cation

J. Vrielink, G. Ellen, G. W. Klumpp, 1974 .