1. Anderlini, V. C., P. G. Connors, R. W. Risebrough and J. H. Martin. 1972. Concentrations of heavy metals in some Antarctic and North America seabirds. Proc. Colloq. Consent. Probl Antarctica, B. C. Parker (ed.), pp. 49–62. Blacksburg, Virginia Polytechnic Institute and State University.
2. Toxicity and persistence of low level PCB in adult Wistar rats, fetuses and young;Baker;Arch. Environ. Contam. Toxicol.,1977
3. Baldi, F., A. Renzoni and M. Bernhard. 1978. Mercury concentrations in pelagic fishes (anchovy, mackerel and sardine) from the Italian coast and Strait of Gibraltar. Journées Etud. Pollutions, 4th, Antalya, CIESM, pp. 251–254.
4. Persistent pollutants in Audouin's gull (Larus audounii) in the Western Mediterranean: a case-study with wide implications?;Bijleveld;Environ. Conserv.,1979
5. Organochlorine residues in brown pelican eggs: relation to reproductive success;Blus;Env. Poll.,1974