TY  - JOUR 
T1  - Karyotypes and heterochromatin variation (C-bands) in Melipona species (Hymenoptera, Apidae, Meliponinae)
JO  - Genetics and Molecular Biology
A1  - Rocha, Marla Piumbini
A1  - Pompolo, Silvia das Graças
SN  - 1415-4757
UL  - 10.1590/S1415-47571998000100008
VL  - 21 
Y1  - 1998
PB  - Brasil 
ER  -