Investigation of the classification of the rodent genus Eumys from the Middle Oligocene of the Big Badlands of South Dakota using multivariate statistical analysis / Sue Vilhauer Rosser --.

v.39:no.3(1978)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects, by J. W. Griffith and Arthur Henfrey.

2, Plates