TY - GEN AU - Dryden,I.G.C. ED - Institute of Energy Great Britain ED - Great Britain TI - The Efficient use of energy SN - 0408012501 : AV - TJ260 U1 - 621.042 19 PY - 1982/// CY - London PB - Butterworth Scientific in collaboration with the Institute of Energy acting on behalf of the UK Dept. of Energy KW - Energy conservation KW - Heat engineering KW - Power Mechanics N1 - Includes bibliographical references and index ER -