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"protections" » "protecting"
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1
by Smith, Kendric C.
Published 1981
Springer US
“... to optimize the beneficial effects of light on man and his environment, (2) methods to protect organisms...”
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2
Published 1979
Springer US
“... to optimize the beneficial effects of light on man and his environment, (2) methods to protect organisms...”
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3
Published 1980
Springer US
“... to optimize the beneficial effects of light on man and his environment, (2) methods to protect organisms...”