choosing among options Tester, Jefferson W. text Delhi PHI Learning 2013 2nd ed monographic xxx, 1019 p., [16] p. of plates : 24cm (pbk) ill. (some col.), maps (chiefly col.) by Jefferson W. Tester...[et.al] Includes bibliographical references and index Renewable energy sources 333.794 9788120348103 ENG-108558 DBAD/PUB 20131003154825.0