link for mseg-mblnr vs bseg-belnr

Dear all,

for material cunsption report i required material ocument number and accounting document number.

i have tables mseg & bseg.

i also knw the field mblnr & belnr but i don't know that how to link this two tables

with each other.

please help me.

best regards,

Nayan Lad.