TY - CHAP A1 - Moreno, L. A1 - White, M. T1 - Place of residence Y1 - 1989 A3 - Goldman, N. A3 - Moreno, L. A3 - Westoff, C.F. T2 - Peru experimental study CY - Columbia, MD PB - Institute for Resource Development SP - 97 EP - -109 ER -