Line illustrations should be supplied as EPS files and never as PostScript files, or as the native format files from the graphics package used. All illustrations should be accompanied by laser proofs with the name and version number of the graphics package used, and also the names of the fonts used. All illustrations should have the table or figure number and the author's name clearly written on the back in soft pencil. Originals should not be sent until the paper has been accepted for publication. References to unpublished reports are not acceptable unless copies of the material are freely available from a named library or similar repository.
Authors are responsible for the accuracy of their references.
Proofs Proofs should be corrected and returned within three days of receipt. Whenever possible, proofs and proof corrections will be sent by fax. Offprints Authors of articles receive 50 offprints free of charge. These will be sent to the corresponding author. Additional offprints may be purchased.