Biblio

W. Hogrewe, «Prefeasibility study : Sevlievo, Bulgaria», vol. no. 451. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. vii, 22 p.: 2 fig., 9 tab., 1994.

W. Hogrewe, Abbott, D., y Jamiolkowski, M., «Wastewater treatment plant O&M audit training at Gabrovo and Veliko Tarnovo, Bulgaria», vol. no. 447. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xi, 35 p.: 1 tab., 1994.

W. Hogrewe, Joyce, S. D., y Perez, E. A., «The unique challenges of improving peri-urban sanitation», vol. no. 86. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xii, 67 p.: 20 fig., 2 tab., 1993.

A. Wyatt, Hogrewe, W., y Brantly, E., «Environmental guidelines for PVOs and NGOs : potable water and sanitation projects», vol. no. 402. Environmental Health Project (EHP), Arlington, VA, USA, p. iii, 48 p.: 1 fig., 4 tab., 1992.

W. Hogrewe y Singleton, F., «Technical review of the Grenada Grand Anse sewer project», vol. no. 363. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xi, 26 p.: tab., map, 1992.