TY - RPRT TI - Model for the Stech mass matrix for quarks. AU - A Kagan AU - RN Mohapatra AU - PB Pal PY - 1987 DO - 10.1103/physrevlett.59.2005 UR - https://pubmed.ncbi.nlm.nih.gov/10035393/ ID - 10035393 ER -