TY - BOOK T1 - Forks, phonographs, and hot air balloons :a field guide to inventive thinking / DA - 1992. CY - New York : AU - Weber, Robert J. CN - T212 CN - T212 PB - Oxford University Press, PP - New York : PY - 1992. ID - 165509 KW - Inventions. KW - Creative thinking. SN - 019506402X TI - Forks, phonographs, and hot air balloons :a field guide to inventive thinking / ER -