The Walters meteorite / Sharat Kumar Roy -- , Jewell J. Glass -- [and] Edward P. Henderson --.

v.10:no.37(1960)

Hydrographical and biological investigations in Norwegian fiords / by O. Nordgaard. The protist plankton and the diatoms in bottom samples / by E. Jørgensen. With 21 plates and 10 figures in the text.

chapters 3-4