Here are some useful links relating to Second Language Acquisition and Bilingualism:
Other scientific organisations
AILA – The international Association for Applied Linguistics
BAAL – British Association for Applied Linguistics
Anéla – Dutch Society for Applied Linguistics
LCA – the Learner Corpus Association
Mailing lists:
Further links:
Bilingualism Matters – bridging the gap between researchers and community
IRIS – Instruments for research into second languages
The Language Attrition Website – information for research on language attrition
LIA – Journal of Language, Interaction and Acquisition