Valladares, M.I. Upper Neoproterozoic-Lower Cambrian sedimentary successions in the Central Iberian zone (Spain): sequence stratigraphy, petrology and chemostratigraphy. Implications for other European zones - Berlin Springer-Verlag June 2000 - pp. 2-20 ilus. Subjects--Topical Terms: CAMBRICO INFERIORESTRATIGRAFIA SECUENCIALGEOQUÍMICALITOESTRATIGRAFIANEOPROTEROZOICOPETROLOGÍASEDIMENTOLOGIA Subjects--Geographic Terms: ESPAÑA