00401nam a2200145Ia 4500008004100000082001900041100001700060245003500077260003300112300000800145650003800153650003400191653001400225700001600239170901s1975    xx            000 0 und d  a622.3382bM88O  aMuraviev, V. 0aOperation of Oil and Gas Wells  aMoscowbMir Publishersc1975  a424  aEngineering and allied operations  aTechnology (Applied sciences)  aOil wells  aShiffer, V.