Marihuana-deceptive weed /

Dictionary of weeds of eastern europe /

A fixed point theory and some other applications of weeds. /

Ecology.

Ecological monographs : a journal for all phases of biology

Elsevier's dictionary of weeds of western Europe : their common names and inportance in Latin, Danish, German, English, Spanish, Finnish, French, Icelandic, Italian, Dutch, Norwegian, Portuguese and Swedish /

Population biology : ecological and evolutionary viewpoints /

Mathematical Ecology.

Urban ecology /

Ecological abstracts.

Microbial Ecology /

Ecology of walls /

Biophysical ecology /

Antarctic ecology. Volume 1 /

Industrial ecology. /

Fundamentals of ecology /

Introduction to ecology /

Encyclopedia of ecology. Volume 1, A-C /

Encyclopedia of ecology. Volume 2, D-F /

Encyclopedia of ecology. Volume 3, G-O /

Biology and Ecology of Weeds /