McLean, R. C. 1890- Practical field ecology : a guide for the botany departments of universities, colleges and schools / by R. C. McLean and W. R. Ivimey Cook. - London : Allen & Unwin, [1946]. - 216 p. : il. ; 19 cm. Ingles LCCN: 47019853 Subjects--Topical Terms: Plant ecology. Subjects--Index Terms: EcologĂa vegetal. LC Class. No.: QK901 / .M34 Dewey Class. No.: 581.7028