TY - CPAPER AU - I. Holmstrom BT - Workshop on the use of Empirical Orthogonal functions in Meteorology CY - Shinfield Park, Reading DA - 1977 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1977 SP - 8 EP - 20 T2 - Workshop on the use of Empirical Orthogonal functions in Meteorology TI - On empirical orthogonal functions and variational methods ER -