1. Ally, J. R. R., Keck, S. A. (1978). A biochemical-genetic population structure study of market squid,Loligo opalescens, along the California coast. Fish. Bull. Calif. 169: 113?121
2. Augustyn, C. P., Grant, W. S. (1988). Biochemical and morphological systematics ofLoligo vulgaris vulgaris Lamarck andLoligo vulgaris reynauldii d'Orbigny Nov. Comb. (Cephalopoda: Myopsida). Malacologia 29: 215?233
3. Belbin, L. (1987). PATN pattern analysis package. Reference manual. Part I. CSIRO Division of Wildlife and Rangeland Research, Melbourne
4. Bonhomme, F., Belkhir, K., Mathieu, E., Roux, M. (1993). Genetix ? Logiciel d'analyse des données en génétique des populations. Version 0.0. Université des Sciences et Techniques du Languedoc, Montpellier
5. Brierley, A. S., Thorpe, J. P., Clarke, M. R., Martins, H. R. (1993). A biochemical genetic investigation of the population structure ofLoligo forbesi Steenstrup, 1856 from the British Isles and the Azores. Recent Adv. Cephalopod Fish. Biol. 61?69. [Okutani, T., O'Dor, R. K., Kubodera, T. (eds.) Tokai University Press, Tokyo]