TY - RPRT TI - Spin dynamics in highly polarized silver at negative absolute temperatures. AU - PJ Hakonen AU - KK Nummila AU - RT Vuorinen PY - 1992 DO - 10.1103/physrevb.45.2196 UR - https://pubmed.ncbi.nlm.nih.gov/10001737/ ID - 10001737 ER -