000 00471nam a2200157Ia 4500
008 220407s9999 xx 000 0 und d
020 _a0070792925
040 _cATVERC
050 _aQ 121 .M34 1987 V.12
245 0 _aMcgraw-hill encyclopedia of science and technology, volume 12
260 _aNew York
_bMcGraw-Hill, Inc.
_c1987
300 _a612 p. : ill. ; 27.5 cm.
_c27 cm
500 _aIncludes bibliography
650 _aScience and technology
999 _c17387
_d17387