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MESOZOIC PALEONTOLOGY AND STRATIGRAPHY, HUERFANO PARK, COLORADO. VOLUME 1: STRATIGRAPHY. VOLUME 2: MACROINVERTEBRATE PALEONTOLOGY, APPENDIX 2, AND REFERENCES CITED..

ERLE GALEN KAUFFMAN

出版	University of MICHIGAN, 1961
URL	http://books.google.com.hk/books?id=EI2_5mOtHCEC&hl=&source=gbs_api