TY - BOOK TI - Carnegie Institution of Washington publication VL - no.121 (1909) UR - https://www.biodiversitylibrary.org/item/17525 PB - Carnegie Institution of Washington CY - Washington PY - 1909 SN - 0099-4936 N1 - GeoRef | 0197-7482 --- Computer & control abstracts | 0036-8113 --- Electrical & electronics abstracts | 0036-8105 --- Physics abstracts. Science abstracts. Series A | 0036-8091 --- No. 1-3 issued without title or numbering. AU - Carnegie Institution of Washington ER -