The 2 references without contexts in paper Nicholas J. Cox, Christopher F. Baum () “Metadata for user-written contributions to the Stata programming language: extensions” / RePEc:tsj:stbull:y:2000:v:9:i:54:ip29.1

1
Jones B. and M. G. Kenward. 1989.Design and Analysis of Crossover Trials. London: Chapman and Hall.
(check this in PDF content)
3
Inserts in /LRihtim Cad. Polat Han D:38 Address:249 Eramosa Road WestKadikoy Moorooduc VIC 393381320 ISTANBUL AustraliaTurkey Phone:+61 (0)3 5978 8329Phone:+90 (216) 414 19 58 Fax:+61 (0)3 5978 8623Fax:+30 (216) 336 89 23 Email:sa
(check this in PDF content)