- https://www.google.co.jp/(1470)
- https://www.google.com/(1136)
- https://www.bing.com/(81)
- https://search.yahoo.co.jp/(50)
- https://cn.bing.com/(2)
- https://www.google.com/url?q=http://firebirdwiki.jp/webroot/?CREATE%20PROCEDURE&sa=U&ved=2ahUKEwj1r9mLmuuEAxVZplYBHT44C_IQFnoECBgQAQ&usg=AOvVaw0EVENjV6Mq8kQUhR2KL9Fl(1)
- https://www.google.com/url?q=http://firebirdwiki.jp/webroot/?CREATE%20PROCEDURE&sa=U&sqi=2&ved=2ahUKEwiNsuOgmeuEAxXVgFYBHTXECxEQFnoECBwQAQ&usg=AOvVaw2HjI6pJ20Ktf1hlvKkUhW7(1)