TY - BOOK ID - 145954334 TI - Rules for building and classing mobile offshore drilling units PY - 1985 PB - New York, NY : A.B.S. (American Bureau of Shipping), DB - UniCat KW - Mobile offshore structures KW - Oil well drilling rigs UR - https://www.unicat.be/uniCat?func=search&query=sysid:145954334 AB - ER -