1987, Report
, Report
2005, Report
J. IGUE
1989, Report
A. AFOUDA and R. ABOUDOU and B. BOUKO SOUNON
2008, Book
C. LARSONNEUR
2008, Book
V. MORILLON
2005, Book
B. SOULE
2002, Report
A. AFOUDA
1994, Report
Novembre 1997, Report
1994, Report
1996, Report
F. GALTIER
1995, Report
J. IGUE and B. SOULE
1991, Report
1995, Report
C. CHERIF and J. EGG and E. GREGOIRE
1993, Report
J. COSTE
1996, Report
F. TROUDE
1997, Report
J. IGUE
1984, Report
1997, Report
2002, Report
Y. Jadot and B. SOULE
1997, Report
1995, Report
1994, Report
1994, Report
, Report
1994, Report
J. IGUE and K. ZOUNON
1998, Report
A. AFOUDA
1988-1989, Report
B. SOULE and A. Crole-Rees
, Report
G. ALE and B. YERIMA and B. SOULE
2002, Report
A. AFOUDA and B. SOULE and Z. TASSOU
2004, Report
B. SOULE and S. GANSARI
2010, Report
I. MAMATY and B. SOULE
2002, Report
D. KEBE and O. SANOGO and B. SOULE
1999, Report
2004, Report
2009, Report
2002, Report
2007, Report
2007, Report
, Report
2001, Report
2005, Report
2007, Report
2001, Report
2008, Report
G. BIAOU and J. MONHOUANOU and A. AHANCHEDE
2006, Report
G. BIAOU
2004, Report
2008, Report
2005, Report