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003			EC-UrYT
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020			_a0393063607
020			_a0393093727
040			_aEC-UrYT _cEC-UrYT
041			_aeng
082	0	4	_223 _a616
100	1		_912412 _aBenarde, Melvin A.
245	1	0	_aOur precarious habitat / _cMelvin A. Benarde.
250			_aFirst Edition.
264	3	4	_aNew York : _bW.W. Norton & Company Inc , _c1970.
300			_axiv, 448 pages : _billustrations, figures, tables ; _c21 cm.
500			_aincludes index (page 419-448).
505	2		_a1 The environment as a system -- 2 Ecology of health and disease -- 3 Bacterial food poisoning -- 4 Chemicals in food -- 5 Pesticides -- 6 Zoonoses -- 7 Sanitary sewage -- 8 Water pollution -- 9 Solid-waste disposal -- 10 Air pollution -- 11 Accidents -- 12 Noise -- 13 Occupational health -- 14 Lonizing radiation -- 15 Population and progress -- 16 The politics of pollution.
650	2	4	_92463 _aPollution
650	2	4	_96700 _aNature _xEffect of human beings on
650	2	4	_92782 _aHuman beings
650	2	4	_99166 _aSanitation
650	2	4	_92565 _aEnvironmental health
650	2	4	_9256 _aContaminación
650	2	4	_96703 _aNaturaleza _xEfecto de los seres humanos sobre
650	2	4	_92783 _aSeres humanos _xSeres humanos - Efecto del medio ambiente sobre
650	2	4	_99159 _aSaneamiento
650	2	4	_912416 _aSalud Ambiental
942			_2ddc _cLIBRO