00752nam a22002414a 4500003001000000005001700010008004100027020001500068040003000083080001200113100003300125245004200158260003400200300002200234650002600256650001700282650001800299700002900317700002200346945000900368999001700377952011600394AR-SsjUCA20250715143136.0250228s1997    sp            000 0 spa d  a9507246762  aAR-SsjUCAbspacAR-SsjUCA  a556.3881 aWais de Badgen, Irene93675313aLa contaminación en ríos y lagos.  aBuenos Aires :bLumen,c1997.  a48 p. ;c28x22 cm 4aContaminación94274 4aLagos916284 4aRíos9367541 aGentile, Georgina9367551 aThiel, Inge94064  aIris  c22380d22380  00104070aCAbCAd2021-11-19eCúspide SAl0o556.388 CON Ej.1pXCA4463r2025-07-15 00:00:00w2025-07-15yLB