00283nam a2200109Ia 4500008004100000040001200041082001400053100002000067245004500087260003300132300000800165200103s9999||||xx |||||||||||||| ||und||  aIMU-MPC  aColumn-25  aGinzburg, V. L. 0aKey problems of Physics and Astrophysics  bMir Publishers, Moscowc1978  a167