...
3.
Use MARC field 787 (Other Relationship Entry) when recording the appearance or existence of a title in another format.
If a cataloger has a title in one format, and knows that it has previously been issued in another format: connect the two records using reciprocal 787 (Other relationship) fields, and specify the nature of the relationship in $i. Use the $d to indicate the known date span of publications of the two formats.
59671977
245:00: $a World unmanned aerial vehicle systems : $b market profile and forecast / $c Steven J. Zaloga, analyst and David R. Rockwell, analyst.
787:08:$i Continued on CD-ROM: $t World unmanned aerial vehicle systems $d <2011>- $w (DLC) 2011242216 $w (OCoLC) 706505071
706505071
245:00: $a World unmanned aerial vehicle systems $h electronic resource : $b market profile and forecast.
787:08:$i Continues print: $t World unmanned aerial vehicle systems $d <2003> $w (OCoLC) 59671977