G. Hirshberg,
The New Alchemy water pumping windmill book. Andover, MA, USA: Brick House, 1982, p. xii, 141 p.: fig., tab.
M. Howes,
«The potential for small-scale solar-powered irrigation in Pakistan». Institute of Development Studies at the University of Sussex, Brighton, UK, p. vi, 41 p.: fig., tab., 1982.
Municipal Environmental Research Laboratory -Cincinnati, OH, US, Environmental Research Information Center -Cincinnati, OH, US, y EPA -Washington, DC, US,
Process design manual for dewatering municipal wastewater sludges. Cincinnati, OH, USA: US Environmental Protection Agency (EPA), 1982, p. xiv, 207 p.: fig., tab.