00662nam a2200217 a 450000500170000000800410001704100080005808200100006610000300007624500400010626400400014630000250018649000250021150000260023665000110026265000120027370000190028594200070030499900170031195201160032820260717090945.0260717s1974    ii            000 0 eng d  aeng04a530.41 aLapp, Ralph Eugene, 1917-10aMatter /cLapp, Ralph Eugene, 1917- 1aNew York :bTime-life books,c1974.  a200 p. ill. ; 29 cm.0 aLife science library  aBibliography: p. 196. 4aMatter 4aPhysics1 aTime life book  cBK  c19878d19878  001040708DCaBKBCLbBKBCLd1978-08-16g94.00l0o530.4 LIFp9845r2026-07-17 09:09:45v94.00w2026-07-17yBK