TY  - BOOK
AU  - Pierce,Richard LeRoy
TI  - Lower Upper Cretaceous plant microfossils from Minnesota / 
U1  - 560.176 PIE 
PY  - 1961///
CY  - Minneapolis : 
PB  - University of Minnesota Press, 
KW  - Paleobotany
KW  - Cretaceous
KW  - Minnesota
KW  - Micropaleontology
N1  -  Issued in microfirm form in 1958 as thesis, University of Minnesota, under title: Early Upper cretaceous plant microfossils of Minnesota;  Includes bibliographical references
ER  -