00693pam a2200229 a 4500 1020927 20180104040232.0 880627s1988 dcua 001 0 eng 88022375 0870447513 (alk. paper) : $19.95 0870447521 (deluxe : alk. paper) : $29.95 087044753X (lib. bdg. : alk. paper) : $31.95 DLC DLC DLC eng 609 SOC 609 SOC 19 27 IM Inventors and discoverers : [prepared by National Geographic Book Service]. 7 cbc orignew 1 ocip 19 y-gencatlg ddc BK 39659 39659 0 0 udc 0 0 PËKG 002 002 PËKG 2018-01-04 0 609 SOC 002-2994237 2018-01-04 2018-01-04 BK