Handbook of chemistry and physics :  a ready-reference book of chemical and physical data / 
ed.-in-chief Charles D. Hodgman, Robert C. Weast, Samuel M. Selby. 
 - 38th ed. 
 - Cleveland, Ohio :  Chemical Rubber Publishing Co.,  cop. 1956. 
 - XXII, [2], 3206 s. ;  19 cm. 
<br/><br/> Na grzbiecie informacja: 38th ed. 1956-1957. 
<br/><br/>Indeks.