00361nam a2200121Ia 4500082001900000100001500019245008200034260003500116300002700151490005100178500000500229700000500234  a511.6bM676.TT  aMirsky, L.  aTransversal theory; an account of some aspects of combinatorial mathematicsb  aNew YorkbAcademic Pressc1971  aix, 255p. Index, Bibl.  aMathematics in Science and Engineeringv v. 75  a  a