00419nam a22001577a 4500003000400000005001700004008004100021020001400062040000800076082002100084100003800105245005600143260003200199300001100231650001900242OSt20170103143607.0030206s2002 ck 000 0 spa d a063100120 cOSt04a530.01bA4832211 aGoncalvez de Alvarenga, Beatriz 00aFísica General /cBeatriz Goncalvez de Alvarenga aMéxico : bHARLA, c1983. a976 p.042LEMBxFÍSICA