<strong>`</strong>This publication represents an important milestone in bringing together details of the various components which go to make up the astronomical theory of climate. It will doubtless be an essential acquisition for those who specialize in this field. To the more general reader with the urge to have a close-up look, it portrays a fascinating story of the interdisciplinary validification of a scientific theory.<strong>'</strong> <br /> <strong>Earth-Science Reviews, 24 (1987)</strong> <br /> <strong>`</strong>... superbly organized and edited collection. ...a valuable reference on present understanding of climate response to changes in insolation due to long-period earth orbital characteristics, with many useful suggestions for future work. ...recommended for the advanced undergraduate in climatology and anyone engaged in research concerning long-period climate variability.<strong>'</strong> <br /> <strong>Bulletin American Meteorological Society, 66:8 (1985)</strong> <br />