TY - BOOK ID - 133710719 TI - Polar exploration PY - 1939 PB - London : A. & C. Black, DB - UniCat KW - Arctic regions KW - Antarctica KW - Arctique KW - Antarctique UR - https://www.unicat.be/uniCat?func=search&query=sysid:133710719 AB - ER -