00315nam a2200109Ia 450000500170000008000180001724500780003526000270011330000170014050000290015758300190018620260716043115.0  a08.03.03 U588  aAppropriate industrial technology for construction and building materials  bU.N.aNew YorkUSc1980  axiii, 218 p.  aBibliography: p. 214-218  c3/7/00kM2LMGR