Author Statement :
W. B. Harland.. (and others)
Edition :
assisted by K. E. Fancett
Publication :
Cambridge University Press
Collation :
xi, 131 p.: illus.; 32 cm
Series :
Cambridge earth science series
Subject :
Geological time
ADDED ENTRIES :
Harland, W. B
Biblography :
Bibliography: p. 119- 127