Europa Publications
The environmental encyclopedia and directory 1998: A world Survey - 2nd ed. - London Europa Publications Limited 1997 - 560 p.
185743028X
Environmental encyclopedia
577.4(03) E80E
The environmental encyclopedia and directory 1998: A world Survey - 2nd ed. - London Europa Publications Limited 1997 - 560 p.
185743028X
Environmental encyclopedia
577.4(03) E80E