00270nam a2200121Ia 4500100002200000490000600022654001600028245003800044260003400082082001200116300000800128546001200136  aArtobolevsky/I.I   vI  aEngg.Design  aMechanisms in Modern Engg. Design  bMir  PublishersaMoscowc1975  a620.004  a631  aENGLISH