Technical paper.

no.1-11; no.16-36; no.21-35; no.36-43; no.37-60; no.61-73; no.77-84; no.87; no.88-92,94,96-99 1956; no.89-92; no.100-110 1957-1959; no.106-110; no.111-116; no.111-118,120 1958-1959; no.121-127 1959; no.128-137 1960; no.138-139,141-145 1963-1964; no.141; no.143; no.146-148; no.146-148 1965; no.148-150; no.149 1966; no.152-156; no.152-155 1967; no.154; no.156-159; no.156-164 1967-1970; no.161; no.162; no.164 1970; no.94 1973; no.142 pt.2 1973; no.166-167; no.166; no.166-171 1973; no.142 pt.3 1974; no.142 pt.4 1975; no.159 1975; no.142 pt.5 1976; no.168 pt.1; no.169; no.170; no.171; no.172-177 1975-1978; no.142 pt.6 1978; no.178-181 1979-1984; no.189 1985; no.190 1985; no.182-188 1984-1986; no.191 1986; no.192 1987; no.193 1987; no.194 1988; no.195 1988; no.196 1989; no.198 1990; no.199 1990; no.200 1992; no.201 1992; no.202 1993; no.203 1993; no.204 1993; no.205 1996; no.206 1996; no.208 1996; no.209 1997; no.211 1997; no.135 suppl.