00654nam a2200205Ia 4500 215241 BIBL 20160527195559.0 980225|1994||||ar |||||||||||||| ||spa|d 9507860576 9.00 GE170 .V54 1994 574 V677a Vigil, Carlos A. Local 185589 Aproximacion a la problematica ambiental elementos para su analisis Carlos A. Vigil. 1era ed. Buenos Aires, Argentina Editorial Biblos 1994 93 p. ill. Includes bibliographical references (p. 89-93). Eviromental protection. Local 93903 161119 161119 0 0 lc 0 GE_170_000000000000000__V54_1994 0 mbl 275728 12 12 20 2016-05-27 Enio Gaud 9.00 309551 0 GE170 .V54 1994 50000002075603 2016-05-27 00:00:00 r:215241 z:NCC:D 6