Cowling, T. G. <br/><br/>
Molecules in motion / 
by T. G. Cowling 
 - London :  Hutchinson,  1950 
 - 183 p. ;  19 cm. 
 - Hutchinson's university library: Mathematical and physical sciencs ;  no. 44 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gases<br/>Molecules