TY - GEN digital ID - 131773456 TI - The earth's core PY - 1987 SN - 9780080959801 0080959806 1282034782 9781282034785 9786612034787 6612034785 PB - Orlando Academic Press DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:131773456 AB - ER -