1
Main Authors:
Corporate Authors:
Published: Tycooly Press for United Nations Environment Programme,
Publication Dates: 1981.
Call Number: X74/E41/
Corporate Authors:
Published: Tycooly Press for United Nations Environment Programme,
Publication Dates: 1981.
Call Number: X74/E41/
2
Group Author:
Published: Pergamon Press,
Publication Dates: 1980.
Call Number: X591/E41/
Published: Pergamon Press,
Publication Dates: 1980.
Call Number: X591/E41/
3
Group Author:
Published: Tycooly International,
Publication Dates: 1981.
Call Number: TK01/R411/
;
Published: Tycooly International,
Publication Dates: 1981.
Call Number: TK01/R411/
4
Corporate Authors:
Group Author: ;
Published: Published for the United Nations Environment Programme by Tycooly International Pub.,
Publication Dates: 1982.
Call Number: X/G562/
Group Author: ;
Published: Published for the United Nations Environment Programme by Tycooly International Pub.,
Publication Dates: 1982.
Call Number: X/G562/