Ingram, Gregory K. Housing demand in the developing metropolis : estimates from Bogota and Cali, Colombia / Gregory K. Ingram. - Washington, DC : The World Bank, 1984. - 51 p. - World Bank staff working papers ; no. 663 . Subjects--Topical Terms: Housing--Mathematical models.--Colombia--BogotaHousing--Mathematical models.--Colombia--Cali