TY - JOUR AU - Early, E AU - Clark, Alan AU - Lobb, C. C2 - Physica C-Superconductivity and Its Applications DA - 1995-01-01 00:01:00 LA - en M1 - 245 PB - Physica C-Superconductivity and Its Applications PY - 1995 TI - Physical Basis for Half-Integral Shapiro Steps in a dc SQUID UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=28242 ER -