Historical notes

KRM code from Clay & Horne (1994)

The original Basic language code for the KRM model is available as part of echoSMs here. Also included there are the original shape data for the four cod fish used in the paper.

PSMS code from Furusawa (1988)

The HP Basic language code for the PSMS model is available as part of echoSMs here. Also included is a modified version of the code that can run on a Windows computer with HTBasic.