1. Allen, T.F.H., 1977. Scale in microscopic algal ecology: a neglected dimension. Phycologia 16:253?257.
2. Allen, T.F.H and T.W. Hoekstra, 1992. Toward a unified ecology. Columbia University Press, NY, 384 pp.
3. Allen, T.F.H. and J.F. Koonce, 1973. Multivariate approaches to algal stratagems and tactics in systems analysis of phytoplankton. Ecology 54:1234?1246.
4. Allen, T.F.H., D.A. Sadowski and N. Woodhead, 1984. Data transformation as a scaling operation in ordination of plankton. Vegetatio 56:147?160.
5. Alvarez Cobelas, M., A. Baltanás, J. L. Velasco, M. Valladolid, M. Izquierdo and E. Martín, 1993. Slow overturn in a gravel-pit lake. Verh. Internat. Verein. Limnol. 25:83?87.