Hobbs, Betty C. <br/><br/>
Food Poisoning and Food Hygiene 
/ by Betty C. Hobbs 
 - 4th ed. 
 - London;  Edward Arnold:  1978. 
 - viii, 366p. 
<br/><br/><label>ISBN: </label>0713143134 
<br/><br/><label>Dewey Class. No.: </label>614.31  / HOB/F