00327nam a2200097Ia 4500008004100000040002900041050002500070100001900095245006900114260004600183230222s9999||||xx |||||||||||||| ||und||  cChuka University Library  aSBL QK 901 bO6 1956  aOosting, H. J. 4aThe study of plant  communities:an introduction to plant ecology  aW.H. Freeman and Co.bSan Fransiscoc1956