00521nam a2200145 a 4500008004100000050001800041100002200059245012000081260008100201300001400282350000900296650001300305650002200318650003500340100205s1980 ||||||||||||||||| || u aUNIV.NAIR(02) aErkelens, Peter A10aLow cost papyrus-polythene roof: the performance of an experimental roof of papyrus sandwiched with polythene sheet aNairobi:bUniversity of Nairobi, Housing Research and Development Unitc1980 a18p.: ill a0.00 aBUILDING aLOW COST BUILDING aROOFS--DESIGN AND CONSTRUCTION