00643nam a22001937a 4500 BD-DhUL 20190319153805.0 190319s1991 xxup|||| |||| 001 0 eng d 9211311705 BD-DhUL BD-DhUL 691 UND United Nations Development of national technological cal capacity for production of indigenous building materials / United Nations Nairobi : United Natinons Centre for Human Settlements, 1991. v, 83 p. : ill. 21 cm. Includes bibliographical references Building materials ddc BK 246645 246645 0 0 ddc 0 691_000000000000000_UND 0 NFIC 375122 DUL DUL UNC 2019-03-19 Gift 691 UND D19390 2019-03-19 2019-03-19 BK