00549nam a22001937a 4500003000400000005001700004008004100021020001800062040002600080082002300106100002900129245005900158250000900217260003100226300001900257365001700276504003100293650003100324OSt20250715183926.0250715b |||||||| |||| 00| 0 sp d a9786070915819 acunsurocbespcanacap 21aeda333.715 V152 aValencia Sáiz, Ángel aPolítica y medio ambiente.cValencia Sáiz, Ángel a1aed aMéxico:bPorrúa,c2014 a134p. ;c21cm. b1d89.29jmx aBibliografía: p. 119-129 2Medio ambiente- política