ภาพปกด้านหน้าของ Twenty-five year index to publications of the Western Society of Malacologists : author, taxonomic, geographic and subject indices

Twenty-five year index to publications of the Western Society of Malacologists : author, taxonomic, geographic and subject indices

Hans Bertsch, Western Society of Malacologists
หนังสืออิเล็กทรอนิกส์, English, [1993]
Western Society of Malacologists, [San Diego, Calif.], [1993]