RESOURCE USE AND POPULATION PRESSURE. THE DEADLY EXPONENTIALS: A DISCUSSION.BROOKS DB.sd1972(4), P. 1 A 9Miscellaneous

SUPPLY AND COMPETITION IN MINOR METALS.BROOKS DB.sdRESOURCES.FOR.THE.FUTURE.INC.; , P. 1 A 147Miscellaneous

WHAT PRICE HEALTH, SAFETY = QUEL EST LE PRIX DE L'HYGIENE ET DE LA SECURITE.BROOKS DB; BERRY DR.1972; CANAD. MING J.; CANADA; DA. 1972; VOL. 93; NO 9; PP. 26-28; BIBL. 10 REF.Serial Issue

MINE HEALTH AND SAFETY AS AN ANALYTIC PROBLEMBROOKS DB; BERRY DR.1972; DEPT ENERGY MINES RESOURCES, MINER. RESOURCES BRANCH, MINER. BULL.; CANADA; 1972, NUM. 0125, P. 1 A 33Serial Issue