Pilot ballon and radar wind data / 
Meteorological Services 
 - Petaling Jaya :  Meteorological Services Malaysia,  [n.d.] 
 - Annually :  ill. 
<br/><br/> Kepunyaan perpustakaan : 1967(May,Jun,Jul-Dec); 1968-1972 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ballons, Pilot, Radar--Malaysia<br/>Winds--Malaysia