Ministry of agriculture fisheries and food  

 - London   Her Majesty s Stationary Office    1973 
<br/><br/><label>ISBN: </label>11 240508 8 
<br/><br/><label>LC Class. No.: </label>634.13593/MIN  / 2 
<br/><br/><label>Dewey Class. No.: </label>634.13593/MIN  / 2