Such a variation of the initial states as compared to the previous batch clarifies the need for a reference study in a batch change.
Researches need to have available, for reference and study, the growing mass of published material in their particular fields.
For reference, the study includes also the case with non-activated coal of the same granulation micronized in a vibrocentrifugal mill.
These and the earlier titles in the collection, produced by the Japanese media giant JVC in collaboration with Smithsonian/Folkways Recordings, are edited and packaged for reference and study.
A manual of detailed protocols was developed and used to train and standardise the observers prior to the study, and for reference during the study.
This adaptation consists of 15 items where the references to work are changed for references to study.
Therefore, we used the N-test results only for reference in this study.
· See Oliver James's books They F*** You Up (£7.99, Bloomsbury) and Britain on the Couch (£8.99, Arrow) for references to studies mentioned here.
(For references to studies of the efficacy of mental imagery in more than forty sports, see Kosslyn and Moulton 2009, 38).
