00374nam a2200157 4500 18360 UR 20220428190959.0 061103|||||||||||||||||||||||||||||||| d (janium) 18349 (janium)18348 S938 .O9 1986 Owen, Oliver S Conservacion de los recursos naturales Pax 1986 0 0 0 0 AG URBC URBC 2022-04-28 Compra 0 S938 O9 1986 0054747 2022-04-28 00:00:00 2022-04-28 LIBRO MAT/ROMA 46414 46414