000 00536nam-a2200181--04500
001 LEO01000000000000000039330
005 20171019180355.0
008 991125c19911991mx-b----------000-0-spa-u
020 _a9701824946
035 _a043063
050 _aP 40.5.L33
_bL4
245 0 _aLenguas en peligro /
_ceds. Robert H. Robins...[et al.]
260 _aMéxico :
_bINAH,
_c1991
300 _a361 p. ;
_c22 cm. :
_bmaps.
650 0 _aLenguas absoletas
905 _aLibros
942 _cBK
999 _c39268
_d39268