COMMONWEALTH HUMAN ECOLOGY COUNCIL . Symposium (1973. Huddersfield (England)  

    Human ecology and world development : proceeding of a symposium by the Commonwealth Human Ecology Council and the Huddersfield Polytechnic, held in Huddersfield in April 1973 / edited by Anthony Vann and Paul Rogers. —  London, [etc.] : Plenum Press, [s.a.]. —  XVI,180 p. : il. ; 23 cm. — 
   1. Ecología humana. 2. Desarrollo mundial.  I. Vann, Anthony, ed.lit..  II. Rogers, Paul, ed.lit..  III. Huddersfield Polytechnic, ed..