MOLECULAR PRECURSORS FOR HIGH Tc SUPERCONDUCTORS : ALCOXIDES AND β DIKETONATES OF Ln AND HEAVY MAIN GROUP ELEMENTS (Ba, Bi, Pb) L.G. HUBERT-PFALZGRAS J. Phys. Colloques, 50 C5 (1989) C5-738 DOI: 10.1051/jphyscol:1989588
