Biblio

P. Morgan, «The Arborloo book : how to make a simple pit toilet and grow trees or make humus for the garden». Stockholm Environment Institute (SEI), Stockholm, Sweden, p. 16 p. : photogr., 2004.

P. Morgan, «The Blair latrine : a builders manual for the 4 bag model and hand washing tank». Mvuramanzi Trust, Harare, Zimbabwe, p. 23 p. : ill., 1995.

P. Morgan, «Zimbabwe's user-friendly Bush Pump», Waterlines, an international journal of water, sanitation and waste, pp. p. 23-26: 1 fig., 5 photogr., 1995.

P. Morgan, «The handpump phenomenon», Waterlines, an international journal of water, sanitation and waste, pp. p. 2-5: photogr., 1989.