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141
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142Published 1977SubjectsConference Proceeding Book
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143
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144
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145by Oomen, H. A. P. C. (Henricus Adrianus Petrus Canisius), 1902-Subjects “...Nitrogen Metabolism....”
Published 1970
Book -
146
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147Published 1977Subjects “...Nitrogen Fixation Congresses....”
Book -
148by Zimmo, Omar, 1958-Subjects “...Sewage Purification Nitrogen removal....”
Published 2003
Thesis Book -
149
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150
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151
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152
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153
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154Published 2000Subjects “...Sewage Purification Nitrogen removal....”
Book -
155
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156
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157
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158
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159
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160Published 1985SubjectsBook