TY - BOOK ED - International Energy Agency (IEA) TI - A handbook of definitions, methods and sources used in the statistical work of the international energy agency U1 - 333.79 PY - 1987/// CY - [Lugar de publicación no identificado] PB - [Editorial no identificado] KW - Recursos Energéticos KW - Manuales Técnicos N1 - 02413; The purpose of this handbook is to provide a single source of reference for specificatiosn of IEA statistical systems and the definitions, sources and methods used in them ER -