Explanation and induction

Abstract

This was produced from a copy o f a docum ent sent to us fo r m icrofilm ing.W hile the most advanced technological means to photograph and reproduce this docum ent have been used, the quality is heavily dependent upon the quality o f the material subm itted.The fo llo w in g explanation o f techniques is provided to help you understand markings or notations which may appear on this reproduction.1.The sign or "targ et" fo r pages apparently lacking from the docum ent photographed is "Missing Page(s)" .If it was possible to obtain the missing page(s) or section, they are spliced into the film along w ith adjacent pages.This may have necessitated cutting through an image and duplicating adjacent pages to assure you o f com plete co n tin u ity. 2. When an image on the film is obliterated w ith a round black mark it is an indication that the film inspector noticed either blurred copy because o f m ovem ent during exposure, or duplicate copy.Unless we m eant to delete copyrighted materials th a t should not have been film ed , you w ill find a good image o f the page in the adjacent fram e.If copyrighted materials were deleted you will find a target note listing the pages in the adjacent fram e. 3. When a map, drawing or chart, etc., is part o f the material being p h o to graphed the photographer has follow ed a definite m ethod in "sectioning" the m aterial.It is custom ary to begin film in g at the upper left hand corner o f a large sheet and to continue from left to right :n equal sections with small overlaps.I f necessary, sectioning is continued again-beginning below the first row and continuing on until com plete.4. For any illustrations that cannot be reproduced satisfactorily by xerography, photographic prints can be purchased at additional cost and tipped into your xerographic copy.Requests can be made to our Dissertations Customer Services D epartm ent. 5. Some pages in any document may have indistinct p rin t.In all cases we have film ed the best available copy.

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