Note on the distribution of Garveia franciscana (Torrey, 1902) and Cordylophora caspia (Pallas, 1771) in the Netherlands
Vervoort, W. (1964). Note on the distribution of Garveia franciscana (Torrey, 1902) and Cordylophora caspia (Pallas, 1771) in the Netherlands. Zool. Meded. 39: 125-146