TY - BOOK AU - Alpha, Tau Rho. CN - I 19.76: CY - Menlo Park, CA : CY - Denver, Colo. : DA - 1991. ID - 241499 KW - Coral reefs and islands N1 - Distributed to some depository libraries in microfiche. N1 - Cover title. N1 - Imprint and distribution information from transmittal sheet. N1 - "The date of this Open-file report is 2/22/1991."--Page 01. N1 - Also available as 3 1/2 in. computer disk. PB - U.S. Geological Survey ; PB - Books and Open-File Reports Section [distributor], PP - Menlo Park, CA : PP - Denver, Colo. : PY - 1991. T1 - How to construct four paper models that describe island coral reefs / TI - How to construct four paper models that describe island coral reefs / VL - 91-131A ER -