00306nam a2200121 a 450000500170000002000150001708200250003210000060005711000220006324500380008526000420012330000190016520251203091701.0  a0137447493  a551.7015118,bD, qua  d_  aCross, Timothy A.  aQuantitative dynamic stratigraphy  aEnglewood CliffsbPrentice-Hallc1990  axiv,626p, 24cm