Petroleum and natural gas industries - Cements and materials for well cementing - Part 4: Preparation and testing of foamed cement slurries at atmospheric pressure (ISO 10426-4:2004); English version EN ISO 10426-4:2004
石油和天然气工业.固井用水泥和材料.第4部分:常压下泡沫水泥浆的制备和试验(ISO 10426-4-2004);英文版EN ISO 10426-4:2004