1.   A final chapter describes the standardization of single and sequential extraction procedures and certification of soil and sediment reference materials.

2.   A single, but important, article discussing the quality systems needed for production of reference materials represents quality assurance.

3.   Students should be able to make a selection from a range of reference materials.

4.   These illustrations then acted as reference material for large oil paintings which were shown in galleries.

5.   Your reference materials should be sorted out and grouped together around each subheading within the proposal outline.

6.   Where these are used, students may be allowed access to reference materials which should reflect closely those available in an employment situation.

7.   On the contrary, the project will produce valuable reference material and should be lauded for its novelty and foresight.

8.   Professional reference material in schools is given a low priority.

9.   Above all, it seems to fill a gap in the reference material available to non-specialist researchers who need comprehensive, contemporary information on any area of linguistics.

10.   Also plan for worktables to hold reference materials that you might use when working at the computer.