Toft , Louis . <br/><br/>
Practical Mathematics: Vol.I /  Textual Documents 
Louis Toft & A.D.D.McKay. 
 - 3rd ed. / 
 - London :  Sir Isaac Pitman & Sons,Ltd ,  1960. 
 - 503p. ;  22cm. 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>511  / T 571 P