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Marbach, A. & Tsurnamal, M. (1973). On the biology of Berthellina citrina (Gastropoda: Opisthobranchia) and its defensive acid secretion. Marine Biology. 21(4): 331-339.
Marbach, A. & Tsurnamal, M. (1973). On the biology of Berthellina citrina (Gastropoda: Opisthobranchia) and its defensive acid secretion. Marine Biology. 21(4): 331-339.