George Mathew Investigation on the finite size effects of some inverse spinels and studies on their composites based in Nitrile rubber - - Cochin Departmenrt of Physics, CUSAT 2004 - 195P. Thesis (Ph.D), CUSAT, 2004 ISBN: ISSN: Subjects--Index Terms: Spinel ferrites- Crystal structure Nitrile rubber Rubber ferrite composites Dewey Class. No.: 537.1+678