Baumann, E., Montangero, A., Sutton, S., y Erpf, K., «WASH technology information packages : for UNICEF WASH programme and supply personnel». UNICEF, Copenhagen, Denmark, p. 190 p. : ill., 2010.

Baumann, E., «Do operation and maintenance pay?», Waterlines, an international journal of water, sanitation and waste, pp. p. 10-12 : 1 fig., 2 photogr., 3 tab., 2006.

Baumann, E. y Carter, R., «The rural water supply network», Waterlines, an international journal of water, sanitation and waste, pp. p. 2-3 : 1 photogr., 2006.

Wijk-Sijbesma, C.A. van, Baumann, E., Bhatia, R., Kolsky, P., y Chilton, J., «Learning from experience : evaluation of UNICEF's water and environmental sanitation programme in India, 1966-1998», vol. no. 01/04. UNICEF, New York, NY, USA, p. xxx, 76 p. + 234 p. annexes : 7 boxes, 7 fig., 6 tab., 2000.

Baumann, E., Water lifting, vol. no. 7. St. Gallen, Switzerland: SKAT (Swiss Centre for Development Cooperation in Technology and Management), 2000, p. 78 p., 49 fig., 2 tab.

Baumann, E., «Handpump developments». SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. 6 p. : 3 fig., 6 photogr., 1998.

Baumann, E. y Keen, J., «Afridev deep well handpump specification». SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. 64 p.: fig., 1994.

Baumann, E. y Fonseka, J., «Evaluation of maintenance systems in Ghana». SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. 51 p.: fig., tab., photogr., 1994.

Baumann, E., «Ghana Community Water Supply and Sanitation Project : support of private sector participation». SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. 22 + 15 p.: tab., 1993.

Baumann, E., «Performance evaluation of handpumps used in UNICEF projects». SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. 46 p.: 16 photogr., 8 fig., 1993.

Baumann, E., «Handpump development : general aspects», vol. 03/85. SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. 11 p.: ill., fig., 1985.