Human and ecological risk assessment : HERA.
Amherst, MA : Amherst Scientific Publishers,
c1995-
Published: Philadelphia, PA : Taylor & Francis, 
Latest issue consulted: Vol. 9, no. 1 (Feb. 2003).
Chemical abstracts
Health risk assessment
Ecological risk assessment
Also available via the World Wide Web to subscribers of OCLC FirstSearch Electronic Collections Online and CRCnetBASE.
Human and ecological risk assessment (Online)