http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31355634tracklaying vehicles http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31355634 land vehicles by form BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31355634 tanks NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31355634 armored personnel carriers NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31355634 crawler cranes NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31355634 crawler tractors NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31355634 bulldozers NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31355634 chain-track vehicles UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31355634 tracked vehicles UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31355634 tracklaying vehicle UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31355634 vehicles, chain-track UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31355634 vehicles, tracked UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31355634 vehicles, tracklaying UF