Gazelle : The Palestinian Biological Bulletin (ISSN 0178 – 6288) . Number 120, December 2014, pp. 30-53. | Page 19

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palestine.webs.com/snail-discohelix-tunisiensis
Luchtel D. L. & Deyrup-Olsen (2001). Body Wall Form and Function. in Barker G.
M. (ed.): The biology of terrestrial molluscs. CABI Publishing, Oxon, UK,
2001, ISBN 0-85199-318-4. 1-146, cited pages: 159.
Machin J. (1967). Structural adaptation for reducing water-loss in three species of
terrestrial snail. Journal of Physiology 152(1): 55-65.
Newell, P.F.; MacHin, J. (1976). Water regulation in aestivating snails. Cell and
Tissue Research 173 (3): 417–421.
Nordsieck H. (1986). Das System der tertiären Helicoidea Mittel- und
Westeuropas