About: http://webisa.webdatacommons.org/74664223

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	FIGS. 4a and 4b are the same as FIGS. 3a and 3b except the positions shown are the tape at rest when the last tape motion was in the reverse direction, and when moving in reverse, respectively;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com