00651nam a2200193ua 4500 AR-SsjUCA 20250715142300.0 250228s1959 xxk 000 0 eng d AR-SsjUCA spa AR-SsjUCA Ivins, J. D. 32039 The measurement of grassland productivity : proceedings of the University of Nottingham, Sixth Easter School in Agricultural Science, 1959. London : Butterworth, 1959. Incluye bibliografía. Pastizales 25251 Reino Unido 24302 Texto 24088 University of Nottingham. 32040 19743 19743 0 0 0 0 CA CA 2014-10-11 0 633.2 IVI Ej.1 XCA0523 2025-07-15 00:00:00 2025-07-15 LB