TY - BOOK AU - George Frederick Kunz and Charles Hugh Stevenson TI - The Book of the pearl : The history, art, science and industry of the queen of gems SN - 0-486-27745-3 U1 - 639.412 Kun/Ste PY - 1993/// CY - Dover Publ., New York KW - Polytechnic - Jewellery ER -