CRYPTIC VARIATION AND THE PETROLOGY OF THE SUDBURY NICKEL IRRUPTIVE (ABSTRACT).NALDRETT AJ; GASPARRINI EL; RUCKLIDGE JC et al.1969; GEOL. SOC. AMER., ABSTR. PROGRAMS; USA; 1969(11), NUM. 007 , P. 156 A 157Miscellaneous

CRYPTIC VARIATION AND THE PETROLOGY OF THE SUDBURY NICKEL IRRUPTIVE.NALDRETT AJ; BRAY JG; GASPARRINI EL et al.1970; ECON. GEOL.; USA; 1970(3), VOL. 65, NUM. 0002, P. 122 A 155Miscellaneous

PHASE LAYERING AND CRYPTIC VARIATION IN THE SUDBURY NICKEL IRRUPTIVE.NALDRETT AJ; BRAY JG; GASPARRINI EL et al.1970; GEOL. SOC. S. AFR., SPEC. PUBL; ZAF; 1970, NUM. 0001, P. 532 A 546Miscellaneous