Woollard, George Prior,    1908- <br/><br/>
Preliminary reports on the IGY pendulum, gravimeter and seismologica l programs at the University of Wisconsin.   

 - Washington  :   National Academy of Sciences, National Research Cou ncil ,   1958. 
 - 31 p.  :    maps, ill.  ;    28 cm. 
 - IGY World Data Center A. IGY general report series,   no. 3 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gravity.--------