TY - BOOK AU - Hackleman,Michael A. TI - Wind and windspinners: a 'nuts and bolts' approach to wind/electric systems SN - 0915238020 : AV - TK1541 .H22 1974 U1 - 621.45 PY - 1974///, 1975 printing CY - Mariposa, Calif. PB - Earthmind KW - Wind power KW - Electric power-plants ER -