MAGNETIC AND SUPERCONDUCTING PROPERTIES OF SUBSTITUTED YBa2 (Cu1-xMx)3 O7 COMPOUNDS (M = 3d METAL) Ying-Chang Yang, Yuan-Bo Zha, Wei-Chun Yuan, Jian Lan, Zun-Xiao Liu, Guo-Zhong Li et Yun-Xi Sun J. Phys. Colloques, 49 C8 (1988) C8-2201-C8-2202 DOI: 10.1051/jphyscol:19888988