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21
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22
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23
Foreign patents : a guide to offical patent literature /
Published 1972“…Dobbs Ferry, New York : Oceana,…”
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24
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25
Should trees have standing? : and other essays on law, morals and the environment /
Published 1996“…New York, NY : Oceana Publications,…”
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26
Environmental law and compliance methods /
Published 2002“…New York, NY : Oceana Publications Inc,…”