000 00566nam a2200145 a 4500
005 20220228110620.0
035 _aF8901000708641
084 _aPCA BUL 178 1964
100 _aLandgren, Robert.
245 _aWater-vapor adsorption-desorption characteristics of select-ed lightweight concrete aggregates / by Robert Landgren.
260 _aSkokie, Illinois : atories
300 _a[16] p.
440 _aBulletin 178 / Portland Cement Association
690 _aConcreto - Agregados ligeros - Adsorción isotérmica.Concreto - Agregados ligeros - Desorción isotérmica.
999 _c58721
_d58721