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What has the author Hans O Leuenberger written?
Hans O. Leuenberger has written: 'Zauberdrogen' -- subject(s): Drug abuse, Hallucinogenic drugs
What has the author Hans O Andersen written?
Hans O. Andersen has written: 'Toward more effective science instruction in secondary education' -- subject(s): Science, Study and teaching (Secondary) 'Readings in science education for the secondary school'
What has the author Hans Uebersberger written?
Hans Uebersberger has written: 'Russlands Orientpolitik in den letzten zwei Jahrhunderten' -- subject(s): Politics and government, Foreign relations 'O sterreich zwischen Russland und Serbien'
What has the author O A Sergeeva written?
O. A. Sergeeva has written: '\\'
What has the author O Petrash written?
O. Petrash has written: '\\'
What has the author O Sosin written?
O. Sosin has written: '\\'
What has the author O A Pashchenko written?
O. A. Pashchenko has written: 'Rodichi'
What has the author O Vandeputte written?
O. Vandeputte has written: 'Dutch'
What has the author O A Newlin written?
O. A. Newlin has written: 'If I were gold'
What has the author O Wolff written?
O. Wolff has written: 'Ouvrard'
What has the author O Fedorova written?
O. Fedorova has written: 'Mozhaisk'
What has the author O Carlgren written?
O. Carlgren has written: 'Anthozoa'
