Langer, R. H. M. How grasses grow / R.H.M. Langer. - 2nd ed. - London : Edward Arnold, 1979. - iv, 66 p. : ill ; 22 cm. + pbk. - Institute of Biology's studies in biology ; no.34 . Bibliography : p. 63-64. ISBN: 071312766X Subjects--Topical Terms: Grasses--Growth. Dewey Class. No.: 584.90431