00290nam a2200109Ia 4500082001900000100005800019245005000077260002300127300002000150500000500170700000500175  a304.2bG786.BR  aGreat Britain & Ireland. Environment, Deptartment of-  aBuilding research station 1970bannual report  aLondonbHMSOc1971  avii, 47p. Index  a  a