Cooperating organizations<br>National foreword<br>Foreword<br>1 Scope and object<br>2 Normative references<br>3 Definitions<br>4 General notes on measurements<br>5 Methods of measurement<br>6 Additional features to be reported<br>Figures<br>Annex<br>ZA Other international publications quoted in this<br> standard with the references of the relevant<br> European publications<br>National annex NA (informative) Committees responsible