000 00243nam a2200073Ia 4500
008 150310s9999 xx 000 0 und d
245 _aINVESTIGATIONS IN TO DAMP-PROOF CONSTRUCTION OF WALLS
260 _c1970
_bMINISTRY OF PUBLIC BUILDINGS & WORKS H.M.S.O
999 _c5560
_d5560