TY - BOOK TI - Portland cement (ordinary and rapid-hardening) - part 4: ultra violet spectrophotometric and x-ray fluorescence analysis (first revision); Department of Standards Malaysia T2 - MS 522 : PART 4 : 2005 U1 - MS 522 PART4 2005 PY - 2005/// CY - Putrajaya PB - Department of Standards Malaysia KW - Standardization KW - Malaysia ER -