Middleton, W. E. Knowles  1902-1998. <br/><br/>
Meteorological instruments / 
by W.E. Knowles Middleton and Athelson F. Spilhaus. 
 - 3d ed. rev. 
 - Toronto :  University of Toronto Press,  1953. 
 - xi, 286 p. :  ill. ;  26 cm. 
<br/><br/>Bibliography and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Meteorology
<br/><br/><label>Dewey Class. No.: </label>551.5  / MIM 1953