00738ctaaa2200241 a 450000500170000000800410001703500150005809900200007310000190009324500820011224600430019426000240023730000150026150000620027665000140033865000230035270000210037570000170039690700250041390200110043899800280044999900190047720260818212728.0090625s1976    xx                  eng d  a.b12061578 9aArchiv. C66 R531 aCook, David J.10aRice husk ash as a pozzolanic materials /cby ..., R. P. Pama and S. A. Damer30aNew horizons in construction materials  aS.l. :bs.n.,c1976  a431-442 p.  aProc. Symposium on New Horizons in Construction Materials 0aRice husk 0aBuilding materials1 aPama, Ricardo P.1 aDamer, S. A.  a.b12061578bmnarccn  a191128  b0c090625dmeb  fng0  c102012d102012