机读格式显示(MARC)

• 000 01944nam2 2200601 4500

• 000 1900000255

• 001 0000168857

• 003 CAL

• 005 20040701104907.0

• 008 800728c19809999caumr1p 0 a0eng d

• 010 __ |a 80649488 |z sn 80013508

• 022 0_ |a 02747529

• 022 0_ |a 0274-7529

• 032 __ |a 555190 |b USPS

• 035 __ |a (OCoLC)6560726

• 035 __ |a (DNLM)D16130000(s)

• 040 __ |a XAIT |c XAIT

• 042 __ |a nsdp |a lc

• 050 00 |a Q1 |b .D57

• 070 0_ |a Q1.D57

• 072 _0 |a X300 |a X380 |a X800

• 082 0_ |a 505

• 090 __ |a NO/6X

• 093 __ |a N0

• 098 __ |a 500B0086 |b 1020

• 099 __ |a CAL 121999000038

• 210 0_ |a Discover |b (Chic. Ill.)

• 222 _0 |a Discover |b (Chicago, Ill.)

• 245 00 |a Discover.

• 260 __ |a New York, NY, USA : |b Discover Pulications Inc., |c 1980-

• 300 __ |a v. : |b ill. ; |c 28 cm.

• 310 __ |a Monthly

• 362 0_ |a Vol. 1, no. 1 (oct. 1980)- .

• 500 __ |a "The newsmagazine of science."

• 510 2_ |a GeoRef |x 0197-7482

• 510 2_ |a Environment abstracts |x 0093-3287

• 510 2_ |a Energy information abstracts |x 0147-6521

• 510 2_ |a Bibliography of agriculture |x 0006-1530

• 510 1_ |a Readers' guide to periodical literature |x 0034-0464

• 510 1_ |a Readers' guide abstracts (microform) |x 0886-0092

• 510 1_ |a Magazine index |b 1980-

• 510 1_ |a General science index |x 0162-1963

• 510 1_ |a Abridged readers' guide to periodical literature |x 0001-334X

• 510 1_ |a Canadian periodical index |x 0008-4719

• 510 2_ |a Predicasts

• 510 2_ |a Popular magazine review |x 0740-3763 |b 1984-

• 530 __ |a Issued also on microfilm by University Microfilms International.

• 550 __ |a Vols. for 1980-198? published by Time, Inc.; 198?- published by Family Media Inc. and Discover Publications Inc.

• 905 __ |a XATU |d NO/6X

• 920 __ |a 261060 |z 2

• 950 __ |a 261060 |f NO/6 |s 1

• 991 __122004000296

• 999 __ |t C |Z dangyan |z 20040701 10:49:0