TY - BOOK ID - 145097801 TI - Helium 4 PY - 1971 SN - 0080158161 PB - Oxford : Pergamon, DB - UniCat KW - Liquid helium. KW - Superfluidity. UR - https://www.unicat.be/uniCat?func=search&query=sysid:145097801 AB - ER -