Laidlaw, F. F. (1903). Suggestions for a revision of the classification of the polyclad Turbellaria. Mem. and Proc. Manchester Lit. and Phil. Soc. 1903-1904., Tom. 48 part 1. No. 4 pages 1-16. Manchester 1903
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Laidlaw, F. F.
1903
Suggestions for a revision of the classification of the polyclad Turbellaria.
Mem. and Proc. Manchester Lit. and Phil. Soc. 1903-1904.