1. 1
   Studii tehnice si economice

   出版 1972

   Bucuresti : Institutul, -1972.

   19 no. : ill. ; 24 cm.

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2. 2
   Annual report

   出版 1973

   New Delhi : Central Water Commission, Ministry of Agriculture and Irrigation (Dept. of Irrigation), Govt. of India, 1973-

   v. ill. ; 30 cm.

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