TY - BOOK ID - 136700435 TI - Life pulse : episodes from the story of the fossil record. PY - 1987 SN - 0816011516 PB - Facts on File DB - UniCat KW - Historical geology KW - Life (Biology) KW - Paleontology UR - https://www.unicat.be/uniCat?func=search&query=sysid:136700435 AB - ER -