TY - BOOK AU - Challoner, Jack. TI - Energy SN - 1564582329 AV - REF 621.042 Ch35 2000 PY - 1993/// CY - London ; New York PB - Dorling Kindersley KW - Power resources KW - Force and energy N2 - Surveys various sources of energy and the ways in which they have been harnessed ER -