International Standards For Drinking Water by Unstated
1971. Third Edition. 70 pages. This is an ex-Library book. Paperback book with blue cover. Library copy, with expected inserts and inscriptions. Bright and clean pages with light tanning to text block edges. Binding is firm throughout with minor thumb-marking. Paper cover has mild edge wear with mild corner curling. Moderate tanning to spine. Notable scratching and marking to covers. Mild foxing.