TY - BOOK AU - Gwynne, Peter, ed. AU - Jeffries, Brian, ed. TI - Energy and physics SN - 0783529252 U1 - R 500 21st ed. PY - 1994/// CY - U.S.A. PB - Time Life Asia KW - Electricity KW - Force and energy KW - Light KW - Machinery KW - Physics KW - Sound KW - Temperature N1 - Content: v.7 ER -