TY - CHAP AU - Fischer, Konrad TI - Magnetic impurities in metals: The s-d exchange model CY - Heidelberg PB - Springer M1 - RWTH-2021-08081 SP - 1-76 PY - 1970 N1 - First Online: 27 January 2006 LB - PUB:(DE-HGF)7 DO - DOI:10.1007/BFb0045979 UR - https://publications.rwth-aachen.de/record/825142 ER -