01080nam--2200361---450-99000313400020331620080801160734.00-88385-700-6000313400USA01000313400(ALEPH)000313400USA0100031340020080730d1993----km-y0itay50------baengUSa---||||001yyProofs without wordsexercises in visual thinkingRoger B. NelsenWashingtonThe mathematical association of Americacopyr. 1993152 p.ill.24 cmClassroom resource materials1Classroom resource materialsMatematicaEsercizi510.76NELSENRoger B.55994ITsalbcISBD990003134000203316510.76 NEL37248/CBS510.7600217627BKSCICBAS1020080730USA011049ANGELA9020080801USA011607Proofs without words924244UNISA