A. Spies

Phytoplankton in the Marginal Ice Zone of the Greenland Sea during summer, 1984

A. Spies, 1987, Polar Biology.

Growth rates of Antarctic marine phytoplankton in the Weddell Sea

A. Spies, 1987 .

Nutrient regimes in the marginal ice zone of the Greenland Sea in summer

U. Brockmann, G. Kattner, A. Spies, 1988 .

Estuarine microplankton: An experimental approach in combination with field studies

T. Parsons, A. Spies, 1985 .

An experimental approach to estuarine microplankton ecology

T. Parsons, A. Spies, E. D. Nutbrown, 1983 .

Fluxes of micro-organisms along a productivity gradient in the Canary Islands region (29°N): implications for paleoreconstructions

S. Neuer, F. Abrantes, J. Henderiks, 2001 .