| Kelp, urchins and otters in the California region |
| Tornatore, E.J.; Ruth, M. (2002). Kelp, urchins and otters in the California region, in: Ruth, M. et al. (Ed.) (2002). Dynamic modeling for marine conservation. Modeling dynamic systems, : pp. 231-256 |
| In: Ruth, M.; Lindholm, J. (Ed.) (2002). Dynamic modeling for marine conservation Modeling dynamic systems Springer Verlag: New York. ISBN 978-0-387-95317-5. xx, 449 + cd-rom pp., meer |
| In: Ruth, M.; Hannon, B. (Ed.) Modeling dynamic systems. Springer/Springer Verlag: New York, meer |
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