TY - `BOOK` A2 - Ubaghs, Georges TI - Pt. T. Echinodermata 2 PB - Geological Society of America CY - New York PY - 1978 LA - eng SE - XXXVIII, 401 S. SN - 0-8137-3021-X SN - 978-0-8137-3021-9 CN - UBN/TS 1000 T784 AN - UBHD-1475746 ER -