TY  - BOOK
AU  - Sowerby,George Brettingham
TI  - Thesaurus Conchyliorum, or Monographs of genera ofshells Monographs of the genera Spondylus Plicatula Pedum -Vol.I London: Sowerby, Bloomsbury, 1847
PY  - 1981///
PB  - Backhuys W.
ER  -