00779nam a2200265Ia 4500 10910 BIBL 20160527182706.0 720713s1972 enk 00100 eng 72182691 //r84 B72-07224 0851571263 spa EVLG 607 H838t2 c1 T10.7 .H6 1972b 607 607 H838t2 Houghton, B. (Bernard) 236316 Local Technical information sources a guide to patent specifications, standards and technical reports literature. 2nd ed. London Bingley 1972. 119 p. Includes bibliographical notes and indexes. Technical literature 177397 Local 8431 8431 0 0 0 607_000000000000000_H838T2 0 evl 16276 10 10 1 2016-05-27 16258 0 607 H838t2 80000000609225 2016-05-27 00:00:00 r:10910 z:NCC:D 6