Gregory Edwin. <br/><br/>
The heat-treatment of steel / 
by Edwin Gregory and Eric N. Simons ; foreword by C. K. Everitt. 
 - London :  Sir Isaac Pitman & Sons, LTD,  1947. 
 - VI, [2], 149 stron :  ilustracje ;  23 cm. 
<br/><br/>Indeks.