TY  - BOOK
AU  - Petterssen, Sverre
TI  - Weather analysis and forecasting: Motion and motion systems 
U1  - 551.5 
PY  - 1956///
CY  - New York
PB  - Mc - Graw - Hill
KW  - Climatology and weather
KW  - Weather forecasting
KW  - Geology
N1  - Includes bibliographical references, appendices and index
ER  -