00347nam a2200109 a 450000500170000008200210001710000250003824500380006326000610010130000220016249000530018420251203091555.0  a512.522,bD, oso  aOsofsky, Barbara, L.  aHomological dimensions of modules  aRhode IslaNew DelhibAmerican Mathematical Societyc1973  aviii, 89p, 23 cm.  aRegional conference series in mathematicsdno.12