TY - JOUR AU - David Penn AU - Marvin Cohen AU - V Crespi C2 - Physical Review B (Condensed Matter and Materials Physics) DA - 1993-01-01 LA - en M1 - 47 PB - Physical Review B (Condensed Matter and Materials Physics) PY - 1993 TI - Inverse Isotope Effects and Models for High-Tc Superconductivity ER -