http://www.ibric.org/myboard/read.php?Board=exp_qna&id=568055 << 읽어보면 도움많이 됨
http://www.ibric.org/myboard/read.php?Board=exp_qna&id=199226&FindText << 전체 질문 모음
http://www.ibric.org/myboard/read.php?Board=exp_qna&id=17645&ksr=1&FindText=%BC%BC%C6%F7%BF%C0%BF%B0%20yeast << yeast 오염시
http://www.ibric.org/myboard/read.php?Board=exp_qna&id=38669&ksr=1&FindText=%BC%BC%C6%F7%BF%C0%BF%B0%20yeast << 이것도 yeast