TY - JOUR AU - Marvin Cohen AU - David Penn C2 - Physical Review B (Condensed Matter and Materials Physics) DA - 1990-01-01 00:01:00 LA - en M1 - 42 PB - Physical Review B (Condensed Matter and Materials Physics) PY - 1990 TI - Weak versus Strong Coupling Theory for Bi2Sr2CaCu2O8 ER -