TY  - BOOK
AU  - Kramer, D. L.
TI  - The role of androgens in the parental behaviour of the blue gourami, Trichogaster Trichopterus (Pisces belontiidae)
KW  - VERTEBRADOS
KW  - PECES
KW  - TRICHOGASTER TRICHOGASTERUS
KW  - BELONTIIDAE
ER  -