00534nam a22002057a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001400102100001400116245003200130260003800162300001100200490004900211650001900260830004900279CHAP20220817041443.0971013s1971            r     00010     d  a14914  a15886  a19963  cCHAP  a511.6bB400aBerge, C.  aPrinciples of combinatories  aNew York :bAcademic Press,c1971  a176 p.  aMathematics in science and engineeringv; 7214aCombinaciones.0 aMathematics in science and engineeringv; 72