Obretenchev, D., & Stanev, M. 1992 Methyl-bromide gassing of planting fruit stock against the San Jose scale Quadraspidiotus perniciosus.. Rausteniev'dni Nauki (Plant Science) 29(3/6): 118-123.

Notes: Abstract: Six methyl-bromide doses tested for effectiveness and phytotoxicity in lab and production trials against this scale species; hosts are six apple varieties, four pear varieties, three apricot varieties, two plum varieties, four cherry varieties and almonds.