000 00437nam a2200133 a 4500
005 20220228110831.0
035 _aF8901000721757
084 _aCSA CONG 89 1966
245 _aEnvironmental pollution: a challenge to science and technol-ogy
260 _aWashington : Committee on Science and Astronautics
300 _a[63] p.
500 _aEighty-ninth congress
690 _aContaminación ambiental - Alocuciones, ensayos y conferenci-as
999 _c67242
_d67242