00666nam a2200229Ia 4500 282544 OCoLC 20160527200428.0 070712s2001 pr a 001 0 spa 9701025938 DLC DLC PUXA QD33 .U44 1999 540 A668L Arce, Josefina. Local 54019 Laboratorio de química general Josefina Arce, Rosa Betancourt, Noel Motta. San Juan, PR McGraw-Hill c2000. 129 p. ill. 28 cm. Chemistry Local 72294 Betancourt, Rosa. Local 60769 Motta, Noel. Local 139467 203674 203674 0 0 ddc 0 540_000000000000000_A668L 0 abpr 301976 1 1 B 2016-05-27 Interbooks 12.95 411426 0 540 A668L 60000010028717 2016-05-27 00:00:00 r:282544 23