Volume 13, Issue 1, May 2002, Pages 57-63
10.22093/wwj.2002.175998
A. A Pirazizy
Volume 10, Issue 3, November 1999, Pages 53-58
10.22093/wwj.1999.174923
Volume 9, Issue 3, November 1998, Pages 34-40
10.22093/wwj.1998.174652
Volume 9, Issue 1, May 1998, Pages 31-36
10.22093/wwj.1998.174225
A Pirazyzy