000 00651cam a2200217 4500
001 u178545
003 SIRSI
008 900626b1968 a r eng
040 _cMX-MeUAM
041 1 _aeng
050 4 _aTD370
_bU55
110 1 _aUnited States.
_bNational Technical Advisory Committee on Water Quality Criteria.
245 1 0 _aWater quality criteria :
_breport to the Secretary of the Interior /
_cNational Technical Advisoy Committee.
260 _c1968.
300 _a234 p. ;
_c 27 cm.
504 _aIncluye bibliografia.
690 _aAgua
_xCalidad.
690 _aAgua
_xCalidad Administracion.
596 _a9
942 _cLIBRO
999 _c41032
_d41032