TY  - BOOK
AU  - B. B. Polynov
AU  -  Alexander Mur, 
TI  - Cycle of weathering
U1  - 551.6 
PY  - 1937///
CY  - London
PB  - Thomas Murby and Co
N1  - B. B. Polynov & Alexander Mur: Cycle of weathering.  London.  Thomas Murby and Co, 1937.--(551.6POL)
ER  -