000 00551nab a22002177u 4500
003 EC-PaCDF
005 20200226093643.0
008 060603t19811981||||||||||||||||||||eng||
020 _cNormal
040 _aEC-PaCDF
_bspa
_cEC-PaCDF
041 _aeng
082 0 4 _a333.783
_223
100 1 _aMoore, Alan W.
_eautor
245 1 0 _aTour guides as a factor in national park management /
_cAlan W. Moore.
260 3 _c1981.
300 _a: 12-15 p.
520 _aBIB Now: 5116
546 _aInglés
773 _tParks 6 (1)
942 _2ddc
_cARTICLE
999 _c7103
_d7103